During pregnancy, high concentration of estrogen levels in women result in the development of thicker, stronger, longer and healthier looking hair. Following pregnancy however, women tend to fret and think that they’re losing their hair when in fact they’re merely shedding the excess hair that the excess oestrogen created. The hair that was in a prolonged anagen stage are now all shifting into telogen (resting phase) to make way for new hair growth. This type of hair loss is comes under the condition known as telogen effluvium but the good news is that when oestrogen levels have returned to normal, your hair will too.
Reduce stress. When you are stressed, your body starts shutting down processes that aren’t necessary for survival. This shutdown can occur with physical stressors, like surgery or an illness, and emotional stress, which often manifests as physical symptoms. Loss may occur up to three months after the stressful event and may take another three to grow again.[24]
Around 30 million U.S. women will experience hereditary hair loss, or female pattern baldness (androgenetic alopecia), while others will struggle with situational hair loss, brought on by medical conditions, medications, poor health and nutrition, environmental factors such as smoking and sun damage, or even from adverse reactions to hair care products or treatments.
Another cause of eyebrow hair loss is genetic predisposition. Many patients naturally have thinner eyebrows that run in their family. This is one of the biggest reasons patients seek our services. Medical conditions such as hypothyroidism, eczema, and alopecia areata (spot baldness) can also lead to brow hair falling out. It’s important to determine the cause of your condition to find an effective treatment. 

Take extra care in looking after your hair. Use a gentle, nourishing shampoo (we love Bumble and Bumble Gentle Shampoo) to promote good condition and prevent breakage. Try using a silk or satin pillowcase. Avoid harsh styling products and techniques that apply heat to the hair (blow drying, curling irons etc) as these can cause more damage to fragile hair.

If you have any more concerns about licorice, just remember that licorice candies are a Dutch treat, and overseas, plenty of Dutch people are consuming the stuff on a regular basis with no ill effects. In moderation, this may be an effective (and tasty) way to raise your estrogen levels. While you are at it, you can reduce any heartburn problems you happen to have.
Trichotillomania is a hair pulling disorder associated with anxiety, stress, depression, boredom and frustration. It is where a person manually removes hairs with their finger, either a few strands throughout the day or sometimes many strands at one time during an emotional outburst. This behavior is usually a means of coping with stress or emotional turmoil. However, it can sometimes become a habit that is difficult to break. The eyebrows is a commonly targeted area as is the scalp.

Giorgos Tsetis: Another reason Unilever was inspired to partner with us is that we really target three channels. Direct-to-consumer is one, then we target physician channels and salon channels; which are the hardest to convince. There's liability involved, so there's no doctor in the world who is going to recommend or endorse a product they don't believe in. We have about 350-400 physicians currently selling the product. A large amount of these doctors are thought-leaders or experts in the space, so they are known to speak about this issue on a world stage when it comes to new innovations. We also have each of the top 20 hair salons in the country carrying the product. There's a ton of celebrities who use the product as well. It is a premium product, but we've still made it affordable for people. When you look at other products on the market, our price point is comparable. We're also working on special programs for people in need who can't normally afford the product. If somebody is motivated, serious and really needs it -- we work to make sure they can get the product, and seek to serve as many people as possible.

Androgenetic alopecia, commonly called male or female pattern baldness, was only partially understood until the last few decades. For many years, scientists thought that androgenetic alopecia was caused by the predominance of the male sex hormone, testosterone, which women also have in trace amounts under normal conditions. While testosterone is at the core of the balding process, DHT is thought to be the main culprit.
Infestation with the mite D. folliculorum which inhabits the eyelashes is well known. Two species are known to inhabit human beings—D. folliculorum and Demodex brevis.[29] It might either be asymptomatic or may cause symptoms of blepharitis. Kemal et al. report an overall prevalence of 27.4% in their study group.[88] Gao et al. have reported a 100% prevalence of the mite when there is cylindrical dandruff.[29] Patients with demodicosis can develop madarosis.[29]
“…a beauty editor told me she had been using Viviscal... Since beauty editors see truckloads of products every week, I was immediately convinced when she said it worked – so I bought it myself. I started taking it twice a day for the first six months and saw dramatic results within three to four months. My hair was less thinned out …and it was also less brittle. I’ve gone to the same hairdresser since I was 19, and he was the first to comment on how full and strong my hair looked…”

EYES AND VISIONEARS, NOSE AND THROATSKIN, HAIR, NAILSHEART AND VESSELSKIDNEYS AND URINARY TRACTBLOOD AND IMMUNITYLIVER AND GALLBLADDERLUNGS AND AIRWAYSUPPER AND LOWER LIMBWOMEN’S HEALTH AND PREGNANCYWOMEN’S HEALTHKIDS HEALTHMEN’S HEALTHABCD – FIRST AID: INJURIES, POISONINGNEWBORNS BABIESHORMONES AND METABOLISMMEDICATION, SUPPLEMENTSMEDICAL TERMINOLOGYNUTRITIONSURGERY AND OTHER PROCEDURES
After giving birth, reaching menopause years or experiencing other hormonal imbalances, it’s not uncommon for women to start losing hair. And while hair loss is a normal process (the American Academy of Dermatology estimates the average person sheds about 50-100 hairs a day), it’s also something that can be remedied by addressing underlying health and hormonal problems.
Laser devices: Brushes, combs, and other hand-held devices that emit laser light might stimulate hair growth. These devices might make hair look more youthful in some people. Because the FDA classifies these products as medical devices, the products do not undergo the rigorous testing that medicines undergo. The long-term effectiveness and safety for these devices are not known.
The hormone imbalance known as hypothyroidism is a common cause of abnormal eyebrow thinning, especially in women; roughly 27 million Americans suffer from thyroid disease, and about 80 percent of them are women. Thinning eyebrows appear as a symptom of both hypothyroidism (underactive thyroid production) and hyperthyroidism (overactive thyroid production), alongside issues such as excessive fatigue, difficulty losing weight and constantly feeling cold. If your brows appear particularly thin around the edges, visit your doctor for a thyroid screening, which should include thorough blood work. With prescription medication, your eyebrows should fill back in over the ensuing months.
What she doesn’t mention is how to regrow your brows after chemo-related brow loss! If you have recently undergone chemotherapy, your brows may be a bit wonky in the beginning, but you still want them, right? They are the frame for your beautiful face. Every October we host a “Buy One Give One for the Cure” campaign, where for every bottle of WINK  sold, we donate one to a cancer survivor. If that’s you, shoot us an email so we can get you hooked up.
Trichotillomania is common and 3-5 % of the world pull out their own eyebrows due to underlying psychological factors. For some, the pulling is temporary and for others is a chronic condition. Treatment of the underlying psychological factors (stress, depression, anxiety, obsessive compulsive disorder) can lead to improvement. Hair transplants are not an options if the patient is actively pulling his or her eyebrows
When this process is disrupted you end up with thinner hair, increased hair loss, a failure to regrow new hair and all in all a super sad experience! No one love losing their hair and it’s such a huge source of upset for women I work with but I’ll be honest, it is often the last thing to change as we work through getting your hormones and metabolism more balanced. It’s simply not your body’s priority.
“The biggest mistake I see is people being too heavy handed with their eyebrow products,” says Megan Studabaker, a registered nurse and owner of Finespun Brow Design in Scottsdale, Arizona. “I recommend applying products in hair-like strokes, versus just filling in with powder because it often gets smeared and messy which isn’t achieving the polished look you are going for.” I’ve had good luck using Benefit Precisely, My Brow Pencil ($24) and Foolproof Brow Powder ($24).

There is some evidence of a link between baldness and prostate cancer and other diseases. Harvard Medical School reports that men with vertex baldness have 1.5 times more of a risk of developing prostate cancer than men without bald spots. The risk of coronary artery disease is also more than 23 percent higher in men with vertex bald spots. Investigations are ongoing as to whether there is a link between DHT levels and metabolic syndrome, diabetes, and other health conditions.
Visit your doctor. First and foremost, you need to understand the cause of your thinning brows in order to know how to address them. Your doctor can check for underlying conditions like hypothyroidism, hormonal imbalance and vitamin deficiency. Your doctor can also point you in the right direction for products that can help regrow or mask thinning hair. Visit a dermatologist for targeted advice and cosmetic options that are available to you.
Thank goodness! I am a teacher which requires me to get up about 5:30 during the school year. This summer, I will turn 62 and although I’ve always had problems waking up early in the morning – he it is so severe that I am sleeping 12 to 14 hours a day! This is terrifying as school starts in less than two weeks. I am postmenopausal for close to 20 years now and recently found out that my estrogen level is elevated. Your article is a godsend; I will now be able to have an intelligent discussion with my gynecologist and hopefully become a morning person for the first time in my adult life!
Madarosis is the hallmark of lepromatous leprosy. It was reported in 76% of patients with multibacillary leprosy.[76] Bilateral symmetric cicatricial madarosis occurs in lepromatous leprosy due to histiocytic infiltration of hair follicles[77,78] [Figure 4]. It occurs in multibacillary leprosy after at least 5 to 10 years of untreated disease.[79] Loss or atrophy of the eyelashes may follow. Madarosis adds to the cosmetic disfigurement caused by leprosy. Absence of madarosis is a good prognostic sign in long-standing cases.[80] Unilateral madarosis may occur in tuberculoid leprosy due to the facial patch in the eyebrow region. In tuberculoid leprosy, madarosis occurs due to granulomatous infiltration of hair follicles leading to their destruction.

Low Level Laser Therapy (LLLT) is a non-invasive, non-surgical scientific approach to fighting hair loss. It is effective against multiple levels and types of hair loss including thinning hair, receding hair line, male and female pattern baldness and various scalp issues. LLLT has been rigorously tested for both safety and effectiveness for well over 30 years and has been in use in many countries throughout the world for over 30 years.
Taking estrogen supplements as part of a hormone replacement therapy regime has its effects on your hair as well. Women can treat a type of hair loss called androgenic alopecia, associated with low estrogen and progesterone, by replacing these hormones artificially. Dosages of synthetic estrogen should be monitored regularly -- abnormal hair growth is a possible side effect of one kind of hormone replacement therapy, called esterified estrogens.
Trichotillomania is common and 3-5 % of the world pull out their own eyebrows due to underlying psychological factors. For some, the pulling is temporary and for others is a chronic condition. Treatment of the underlying psychological factors (stress, depression, anxiety, obsessive compulsive disorder) can lead to improvement. Hair transplants are not an options if the patient is actively pulling his or her eyebrows
You can even increase your own natural hair growth by eating the right food. Since hair growth depends on what happens inside of your body, it only makes sense that what you eat matters. Foods high in protein are really good for preventing hair loss, since protein is what makes up the hair. Eggs, fatty fish, beef, pork tenderloin, chicken and lentils are all good. Another general rule is to eat many greens and veggies. Kale, spinach, bell peppers, carrots and onion all promote healthy hair growth. Basically, you need to make sure you get all the vitamins and minerals that the body needs to keep producing hair. If you find it hard to get all the important nutrients daily, you can supplement your daily diet with a specialized hair supplement.
Big and bold brows can give great shape to your face. The last thing you want is to see your eyebrow hairs start falling out. Unfortunately, you can experience eyebrow loss just like you experience hair loss. It’s important to understand what is causing your eyebrows to shed so that you can work on stopping the hair loss and promoting hair growth. Here are the most common causes of eyebrow loss.
Hansen’s disease – Hansen’s disease, popularly known as leprosy could cause loss of eyebrows. This condition is cause by infection of a bacterial known as mycobacterium leprae and if it affects your eyebrows region, you expect to lose some eyebrows i.e. if it affects your eyebrow skin region, a place it often afflicts, you could suffer from permanent eyebrow hair loss as ‘Tulay Cakiner-Egilmez, Ph.D., R.N’ reports in ‘Journal of the American Society of Ophthalmic Registered Nurses’. This and other infections that can cause loss of eyebrows.
There’s no doubt that estrogen and hair loss are connected, but there are certain factors that determine how much of an effect estrogen levels have on your hair. As one of the main visible measures of your health, hair growth is often one of the first areas affected when hormones are off-balance. Let’s take a look at the links between estrogen hormonal imbalance and hair loss.

Other conditions, which can cause eyebrow hair loss, include infection by a number of fungal infection, which are common, both on your scalp and eyebrow areas, affliction by pests such as lice, which will cause itching, and scratching. Infiltrating disorders such as scars, alopecia mucinosis, and sclerosing disorder could also cause brow hair loss. If you are heavily using any of the following drugs, they could also cause eyebrow hair loss:


Estrogen, the power player in women’s bodies, is your friend when it’s appropriately balanced. It makes you feel energized, helps stabilize your moods and contributes to a healthy sex drive. Yet too much estrogen, which can be caused by weight gain, perimenopause or toxicity from exposure to endocrine disruptors (which are rampant in our food, water and plastic products), can lead to thinning hair. During and after pregnancy, for example, estrogen levels peak and then dip, causing sudden hair loss for many women.
Dozens of other causes of eyebrow loss are also possible including a variety of infectious, autoimmune and inflammatory conditions. Consultation with a dermatologist or hair transplant surgeon is recommended. I strongly advise consulting a dermatologist before proceeding to hair transplantation for women over 40 with new onset eyebrow hair loss after age 40.
These are only a few of the common myths heard by physicians and other hair loss specialists on a daily basis. The American Hair Loss Council suggests that you first have your hair loss diagnosed by a competent dermatologist who sees hair loss patients on a regular basis. Once you know the diagnosis you will have a better understanding of exactly which treatment option may be best for you.
Prostaglandins are modified forms of unsaturated fatty acids–those unsaturated or “essential” fatty acids (EFAs) that are also called Omega fatty acids. These EFAs cannot be produced by your body, but must be absorbed from our food. EFAs are naturally found in nut and seed oils in different compositions. EFAs have been shown to increase prostaglandin production in those with a deficiency (source, again).
Madarosis of non-scarring type is commonly seen in alopecia areata which is a hair-specific autoimmune disease associated with patchy loss of hair.[56] It presents as round or oval patches of non-scarring hair loss. Madarosis occurs as isolated involvement [Figure 2] or as a part of alopecia universalis.[57] When alopecia areata involves the eyelashes exclusively, there is rarely involvement of other parts of the body.[58] Alopecia areata can involve both the eyelids without scalp involvement also.[59] Short exclamation mark hairs are pathognomonic for alopecia areata.
No one wants to lose their hair, but for women it is especially traumatic. Men can shave their heads and look hip, even sexy. Most women don’t want to be bald. Though it is more common — and visible — in men, many women lose their hair. According to the American Academy of Dermatology, 30 million women in this country have hereditary hair loss, compared with 50 million men. But many additional women experience thinning hair that results from menopause or health problems.

Mistakenly thought to be an exclusively male disease, women make up a significant percentage of hair loss sufferers all around the world. Forty percent of women have visible hair loss by the time they are age 40. After menopause, that number increases even more. Hair loss in women can be absolutely devastating for self-confidence, self-image and emotional well-being. Although it is not a life threatening disease and sometimes underestimated by physicians, hair loss can take an emotional toll that directly affects physical health. Hair is an important part of woman’s face and beauty, therefore it is not easy for any woman to face changes that affect the quality and especially the quantity of her hair. Hair loss in women is a serious life-altering condition that shouldn’t be ignored and has to be diagnosed and treated in the best possible way.
Mistakenly thought of as a male disease, around 40% percent of women will suffer from some form of hair loss by the age of 50. A woman’s hair is an important part of her aesthetic make-up. It represents her style and taste, and frames her face while accentuating her best features. Unfortunately, most physicians don’t have answers or solutions for women who begin to lose their hair.  Plano, TX hair restoration surgeon, Dr. Joseph Yaker, understands that this can be extremely catastrophic to a woman’s self-confidence, body image and quality of life. Clinical studies have shown that psychiatric disorders such as depression and anxiety are more common in people with hair loss, especially women.

See the doctor for sudden hair loss. If you suddenly lose your eyebrows, that could be a sign of a more serious problem, particularly if you only lose your eyebrows or eyelashes and not other hair. Sudden loss of eyebrows can be a symptom of eye conditions, skin conditions, systematic disorders, infections, and nutritional deficiencies. Seeing your doctor can help you narrow down the condition.[30]


Eyebrows protect the eyes from sweat that trickles down the forehead. They also protect the bony ridges above the eyes. In addition to the above, the eyebrows play a very important function in facial expression and body language. Eyelashes protect the eyeball from small foreign bodies and irritants and stimulate the closing reflex. Both eyebrows and eyelashes play a very important cosmetic function, and thus contribute greatly to the self esteem of an individual.[9]
 Because too much insulin (which is released by the pancreas in large amounts when we consume foods high in sugar or refined flour) signals the ovaries to produce more testosterone, and because an overload of testosterone increases the likelihood that our bodies may make more of the hair-thinning hormone DHT, work to keep blood sugar steady by eating fiber-rich whole foods.  In addition, the Saw Palmetto herb has shown promise for its ability to block the conversion of testosterone into DHT, so it may help androgen-related hair loss. To date, research on saw palmetto for hair loss is limited, but the research that has been done is promising.
That's why I've designed a system I call The Gottfried Protocol, a step-by-step, integrative approach to natural hormone healing that emphasizes lifestyle design first and foremost. It's based on decades of research, my education at Harvard Medical School, my own experiences with hormonal imbalances, my belief in peer-reviewed, well-performed randomized trials to support my recommendations, and what I've learned from patients over the past 20-plus years of practicing medicine. The Gottfried Protocol engages only the top hierarchy of scientific evidence and has been proven in scores of women in my practice.

You can even increase your own natural hair growth by eating the right food. Since hair growth depends on what happens inside of your body, it only makes sense that what you eat matters. Foods high in protein are really good for preventing hair loss, since protein is what makes up the hair. Eggs, fatty fish, beef, pork tenderloin, chicken and lentils are all good. Another general rule is to eat many greens and veggies. Kale, spinach, bell peppers, carrots and onion all promote healthy hair growth. Basically, you need to make sure you get all the vitamins and minerals that the body needs to keep producing hair. If you find it hard to get all the important nutrients daily, you can supplement your daily diet with a specialized hair supplement.
Visit your doctor. First and foremost, you need to understand the cause of your thinning brows in order to know how to address them. Your doctor can check for underlying conditions like hypothyroidism, hormonal imbalance and vitamin deficiency. Your doctor can also point you in the right direction for products that can help regrow or mask thinning hair. Visit a dermatologist for targeted advice and cosmetic options that are available to you.
But there’s load of hope! Just know it takes time and first and foremost it takes knowing the cause of the hair loss. That’s the only way to get on top of the issue. The type of hair loss you have (all over, patchy, thinning, losing only at temples, lack of new hair growth after shedding, etc.) points to the underlying cause of your shedding locks. So always start there. 

Balancing your hormones is not an easy process, whether you are in perimenopause, menopause, or post-menopause. You may find that just one of these herbs is sufficient to do the trick, but in many cases you will achieve the best results by taking a combination of herbs. Start gradually and track your results carefully to make sure you are choosing the right products to balance and adjust your particular hormone profile.
Both of these hairy issues are related to excess androgens that are part of PCOS.  Our hair follicles respond overzealously to testosterone creating both hair loss and hair growth. This is because the follicles on the face tend to stretch and grow causing the hair to get stuck and not fall out when they should. Conversely, the scalp hair follicles actually shrink in response to androgens and the hair can fall out or just not be as robust.

Topical estrogen and progesterone creams and oral medications are generally the forms prescribed for post-menopausal women with androgenetic alopecia. But HRT will rarely, if ever, be prescribed for treatment of hair loss alone.] If you have other bothersome symptoms which might warrant HRT, in addition to hair loss, you'll first need to undergo a thorough gynecologic and physical exam, and will likely have blood tests done to measure hormone levels before these drugs are prescribed.
According to the new study, British scientists say they found over 200 genetic markers linked to hair loss. More specifically, the study focuses on male pattern baldness. This type of baldness, also known as male alopecia, is the most common form of hair loss in men. Researchers believe this affects as many as 30 to 50% of men by the time they reach the age of 50.
Eyebrows protect the eyes from sweat that trickles down the forehead. They also protect the bony ridges above the eyes. In addition to the above, the eyebrows play a very important function in facial expression and body language. Eyelashes protect the eyeball from small foreign bodies and irritants and stimulate the closing reflex. Both eyebrows and eyelashes play a very important cosmetic function, and thus contribute greatly to the self esteem of an individual.[9]
Blepharitis is a chronic primary eyelid inflammation. It is fairly common in occurrence and being a condition with remissions and relapses, results in a decreased quality of life if adequate measures are not taken. Chronic blepharitis is the most common condition associated with madarosis.[10] Though there are various ways of classifying blepharitis, the most useful is the one proposed by Wilhelm,[24] wherein blepharitis can be classified based on whether there is a predominant involvement of the part of the eyelid anterior to the gray line (anterior blepharitis), or posterior to the gray line (posterior blepharitis). The gray line is an imaginary line dividing the eyelid into an anterior part consisting of the skin and muscle, and a posterior part consisting of the tarsus and conjunctiva.
The hormone imbalance known as hypothyroidism is a common cause of abnormal eyebrow thinning, especially in women; roughly 27 million Americans suffer from thyroid disease, and about 80 percent of them are women. Thinning eyebrows appear as a symptom of both hypothyroidism (underactive thyroid production) and hyperthyroidism (overactive thyroid production), alongside issues such as excessive fatigue, difficulty losing weight and constantly feeling cold. If your brows appear particularly thin around the edges, visit your doctor for a thyroid screening, which should include thorough blood work. With prescription medication, your eyebrows should fill back in over the ensuing months.
Yes. If you wear pigtails or cornrows or use tight hair rollers, the pull on your hair can cause a type of hair loss called traction alopecia (say: al-oh-pee-sha). If the pulling is stopped before scarring of the scalp develops, your hair will grow back normally. However, scarring can cause permanent hair loss. Hot oil hair treatments or chemicals used in permanents (also called “perms”) may cause inflammation (swelling) of the hair follicle, which can result in scarring and hair loss.
Alopecia areata: Researchers believe that this is an autoimmune disease. Autoimmune means the body attacks itself. In this case, the body attacks its own hair. This causes smooth, round patches of hair loss on the scalp and other areas of the body. People with alopecia areata are often in excellent health. Most people see their hair re-grow. Dermatologists treat people with this disorder to help the hair re-grow more quickly.

What she doesn’t mention is how to regrow your brows after chemo-related brow loss! If you have recently undergone chemotherapy, your brows may be a bit wonky in the beginning, but you still want them, right? They are the frame for your beautiful face. Every October we host a “Buy One Give One for the Cure” campaign, where for every bottle of WINK  sold, we donate one to a cancer survivor. If that’s you, shoot us an email so we can get you hooked up.

Dutasteride is a 5-alpha-reductase inhibitor that binds both types I and II enzymes. Compared with finasteride, its inhibition of type II enzymes is three times more potent; its inhibition of type I enzymes is 100 times more potent (Clark et al., 2004). Dutasteride is not approved for the treatment of FPHL by the FDA, and ongoing studies on the efficacy of the inhibitor are promising but largely focus on male patients (Gupta and Charrette, 2014, Olsen et al., 2006). A study of women after 3 years of therapy showed that dutasteride may be more effective than finasteride in women under 50 years of age as measured by hair thickness (not hair density) at the center and vertex scalp (Boersma et al., 2014). One case report of a 46-year-old female with FPHL showed some response after 6 months of treatment with a dose of 0.5-mg dutasteride daily despite a minimal response to treatment with finasteride and minoxidil (Olszewska and Rudnicka, 2005). Data with regard to the treatment side effects in women is extremely limited. Dutasteride is classified as pregnancy category X because of teratogenicity and should have the same theoretical risk of breast cancer as mentioned in relation to finasteride (Kelly et al., 2016).


Contrary to popular belief, hair does not grow continuously but actually grows in cycles. It starts at the follicles which are embedded in the skin and the visible part, the shaft, is a consequence of active growth at the follicles over time. The living part of the hair in the skin has blood and nerve supply while the hair shaft is made up of dead cells and protein and does not have a blood or nerve supply. Therefore it can be easily cut without any bleeding or pain.
Yes. Hyperandrogenism, a medical condition characterized by excessive production of male hormones called androgens, can cause hair loss in affected women. The most common cause of hyperandrogenism in women is functional ovarian hyperandrogenism, also known as polycystic ovary syndrome. In addition to hair loss, other signs include obesity, acne, and irregular menstruation, and it is one of the most common causes of infertility.

Liver support: is necessary to eliminate unneeded wastes from the body. Everything we take in is processed through the liver and toxins are broken down into water soluble byproducts so they can be moved into the intestine and pulled into the stool for elimination. Foods like cruciferous vegetables (kale, broccoli, collard greens) and lemon support the liver detox pathways. Herbs like milk thistle, dandelion root, and burdock root help to support  liver cleansing.
Visit your doctor. First and foremost, you need to understand the cause of your thinning brows in order to know how to address them. Your doctor can check for underlying conditions like hypothyroidism, hormonal imbalance and vitamin deficiency. Your doctor can also point you in the right direction for products that can help regrow or mask thinning hair. Visit a dermatologist for targeted advice and cosmetic options that are available to you.
NEIL SADICK, MD: Dermatologists are experts in the field of hair disorders. All dermatologists are trained in the general knowledge and treatment of hair loss disorders, but not all dermatologists choose to do this. A dermatologist will often refer to a specialist. Most dermatologists who are trained and have some expertise in this area usually deal both with men and women.
Thyroid hormone receptors were detected in both dermal and epithelial compartments of the human pilosebaceous unit.[48] T4 and T3 decrease the apoptosis of hair follicles and T4 prolongs the duration of anagen in vitro.[49] Thyroidectomy delays initiation of anagen. Administration of thyroxine advances anagen, initiation of which is however delayed once toxic doses are given. Therefore, ratio of telogen to anagen hairs is increased in hypothyroidism as well as hyperthyroidism.[50] Thus, the hair follicles are affected in thyroid disorders, and madarosis is caused due to disturbances in hair cell kinetics. Hypothyroidism is associated with generalized hair loss probably due to coarse, dull, and brittle hair with reduced diameter.[51] The eyebrows and eyelashes may also be lost. Loss of lateral one-third of eyebrows known as Hertoghe sign[38] is a characteristic sign of hypothyroidism.[52] Some people also refer to it as Queen Anne's sign,[53] after Anne of Denmark whose portrait with shortened eyebrows has been interpreted by some as indicative of the presence of goiter, even though such a fact has not been proved by any known sources of information. Madarosis may even be the presenting sign in hyperthyroidism.[21] In hyperthyroidism, there is thinning with breaking off and shortening of hair.[54] Madarosis can also occur in hypopituitarism, hypoparathyroidism,[21] and hyperparathyroidism.[55]
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