An unhealthy gut is also a common source of inflammation and that alone can contribute to hair loss. But lack of robust digestion and a healthy gut bacterial environment will not only lead to nutrient deficiencies that impact hair health but an imbalanced impacting all other hormones related to hair loss such as low thyroid, poor estrogen metabolism and elevated cortisol.

To prove the fact that this does not happen on your scalp alone, Everyday Health notes, “too much thyroid hormone, the hair on your head can become fine, with thinning hair all over the scalp. When there is too little of this hormone, there can be hair loss, not just on the scalp, but also anywhere on the body”. This proves patients with underactive thyroid (low thyroid) can have their eyelashes and eyebrows falling off.


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.
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.
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.
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.
Some medications have side effects that include hair loss. Talk to your doctor if you are experiencing significant hair loss and you think that your medication might be the cause. Your doctor might be able to switch you over to another type of medicine without any reported side effects. Don’t stop taking your medications until you’ve spoken with your doctor, as this could be dangerous for your health.
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.
Information is for educational purposes only. Please speak with your medical provider if you have questions or concerns. Read more. See our privacy policy here. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
It’s natural for estrogen levels to fluctuate throughout a woman’s life, but drastic drops can disrupt the hair growth cycle and cause telogen effluvium. For example, during pregnancy, a woman’s estrogen levels are at their peak. Fewer hair follicles enter the telogen stage of the hair cycle, so hair looks thicker than usual. A few months after pregnancy, however, estrogen levels drop and the excess hair falls out. While totally normal, this type of telogen effluvium can be very upsetting for new mothers.

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.

Traumas such as major surgery, poisoning and severe stress may cause a hair loss condition known as telogen effluvium, in which a large number of hairs enter the resting phase at the same time, causing shedding and subsequent thinning hair in men and women alike. The condition also presents as a side effect of chemotherapy. While targeting dividing cancer cells, this treatment also affects hair’s growth phase, with the result that almost 90% of hairs fall out soon after chemotherapy starts.
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.
If you’ve undergone chemotherapy recently, you know the effects that it has on your hair, including your brows and lashes. First of all, I want to point you to this awesome resource by FairyHairs (click here), that shows in intervals, with pictures, what you can expect with regrowing your hair after chemo (Thank you, Jenny Mealy!). The article also includes ways to regrow your hair after chemo.
Insulin regulation is also a big factor in hair health, as an imbalance can lead to various hormonal effects. Insulin helps to regulate blood sugar levels, which effects fat storage and hormone balance. Fat storage and hormone balance play a role in hair growth because fat storages will secrete excess estrogen in the body, and can desensitize hormone signals.  
Over-plucking or nutrient deficiency can be easily solved on your own with behavioral changes and nutritional supplements, but if you suspect that your thinning eyebrows are caused by a health problem, please see a doctor right away for treatment. Do not attempt to address hypothyroidism, eczema, or alopecia areata without the guidance of a medical professional.
Male pattern hair loss has been established as androgen-dependent because it is associated with changes in the androgen receptor and responds to antiandrogen therapy (Ellis et al., 2002). With FPHL, genes that encode aromatase, which converts testosterone to estradiol, are also implicated (Yazdabadi et al., 2008, Yip et al., 2009). The process of androgen biosynthesis is depicted in Figure 1.
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.
Testosterone converts to DHT with the aid of the enzyme Type II 5-alpha reductase, which is held in a hair follicle's oil glands. Scientists now believe that it's not the amount of circulating testosterone that's the problem but the level of DHT binding to receptors in scalp follicles. DHT shrinks hair follicles, making it impossible for healthy hair to survive.
When a woman is experiencing hair loss and has PCOS, spironolactone is often prescribed and it can be helpful but it’s important as well to address all these other issues when it comes to PCOS related hair loss. It’s also important to know that there is only a mild correlation of elevated testosterone on a blood test and hair loss. This is likely due to the hypersensitivity of the follicle to androgens in PCOS. Basically we get an exaggerated reaction from a smaller amount of testosterone.
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.

Reproductive hormone changes can also play a part, and dermatologists believe the same factors that cause hair loss from the scalp, a common problem for women as they age, may contribute to thinning brows. Nanette Santoro, M.D., ob/gyn and professor of reproductive endocrinology at the University of Colorado at Denver, says, “Abrupt hormone changes can cause sudden hair loss (telogen effluvium) that recovers over about six months' time. It happens postpartum to many women and can happen at menopause.”

If you’ve gotten through this list and still don’t know what’s going on, it’s time to talk to your doc. Unfortunately, madarosis–typically used to mean the loss of eyelashes, but also referring to the loss of brows–may be due to many, many things, including a number of vision and life-threatening conditions, like herpes zoster, leprosy, HIV/AIDS, trachoma, malignant eyelid tumors, discoid lupus, scleroderma, and hypothyroidism (Khong, Casson, Huilgal, Selva; Survey of Opthamology, 2006). Brow and lash loss are both indicators of underlying diseases, so yes get to your doc stat.
Monitor any hair loss when starting new medications. Numerous medications can cause temporary or permanent hair loss, including chemotherapy,[28] antidepressants, and mood stabilizers.[29] Nonetheless, many other medications can cause hair loss in isolated cases. If you've noticed hair loss after starting a new medication, talk to your doctor about this side effect.
Physicians such as dermatologists and plastic surgeons have long recommended essential vitamins and supplements for hair growth to women and men. Now read why top medical experts including Dr. Craig Ziering and Dr. Steven Dayan have been telling their patients for years about Viviscal hair growth supplements to help grow thicker, longer and healthier looking hair.
This plant is native to North America and has been used for centuries by indigenous people to treat menstrual and menopausal disorders. While modern research results are mixed, some studies do indicate that black cohosh can be effective as a treatment in menopause. While the research focuses on hot flashes and other symptoms of menopause that get more attention than hair loss, it follows that black cohosh could also help to improve hair growth when estrogen levels decline.
Hormonal changes are a common cause of female hair loss. Many women do not realize that hair loss can occur after pregnancy or following discontinuation of birth control pills. It is important to remember that the hair loss may be delayed by three months following the hormonal change and another three months will be required for new growth to be fully achieved.

Hair loss may also occur due to dieting. Franchised diet programs which are designed or administered under the direction of a physician with prescribed meals, dietary supplements and vitamin ingestion have become popular. Sometimes the client is told that vitamins are a necessary part of the program to prevent hair loss associated with dieting. From a dermatologists’s standpoint, however, the vitamins cannot prevent hair loss associated with rapid, significant weight loss. Furthermore, many of these supplements are high in vitamin A which can magnify the hair loss.

Hormone Replacement Therapy: You may be advised to go for hormone replacement therapy or may take supplementary estrogen in case your doctor suspects that the hair loss is caused because of low or lack of estrogen hormone. These supplements may either be taken orally or may be applied topically to the skin as a gel. However it must be mentioned that not all women are benefited with this type of treatment for low estrogen levels causing hair loss.
The different phases may last for varying periods of times from several years in anagen, to a few months in telogen or several weeks in anagen. Fortunately not all hair follicles are in the same phase at the same time. So the majority of the follicles will be in anagen phase, while a smaller amount will be in the catagen phase and a few follicles will be in the telogen phase. This ensures that there is always some hair present even when the follicle is not active and the hair is not growing.
Dr. Kimberly Langdon Cull is a University-trained Obstetrician/Gynecologist with 19-years of clinical experience. She delivered over 2000 babies and specializes in gynecologic diseases such as menstrual disorders, infertility diagnosis and treatment especially pertaining to tubal blockage and polycystic ovarian syndrome (PCOS). Dr. Langdon is the inventor of 6 patent pending medical devices, and attended Ohio State University from 1987-1995 receiving her Medical Doctorate Degree (M.D.) with Honors in Obstetrics and Gynecology.
But let’s be real: Brow loss is completely natural. Your brows have a growth cycle and they phase through growth (anagen), recession towards rest (catagen), and resting (telogen). Your brow hairs try not to all cycle at the same time, but unfortunately we get caught in certain weeks or months where more of our brow hairs are missing than before. Just be patient; they’ll come back. And if you need a boost, don’t be a stranger.
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.
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]
 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.
Accurate placement of the grafts is necessary to ensure a good cosmetic result. In the medial third, the needles should be inserted parallel to the brow axis.[203] The follicles should point toward the tip of the nose and the hairs should converge toward each other in the other two segments, that is, the bulbs in the upper part point toward the forehead and in the lower part toward the other eyebrow.[204]
FPHL or androgenetic alopecia is the most common cause of hair loss in women and one of the most common chronic problems seen by dermatologists worldwide (Varothai and Bergfeld, 2014). FPHL is a nonscarring form of alopecia in which the frontal hairline is maintained, but there is progressive hair thinning at the vertex of the scalp. Thinning of the hair is secondary to alteration of the hair cycle with shortening of the anagen phase and simultaneous lengthening of telogen. This increase in the resting phase and decrease in the growth phase of the hair cycle results in the miniaturization of hair because long terminal hairs are gradually replaced by short vellus hairs (Messenger and Sinclair, 2006, Sinclair et al., 2011).
Since our founding more than 40 years ago, Hair Club’s unique story has been regularly featured in the media. And because we’re the trusted provider of all-proven hair loss solutions in North America, we continue to receive lots of coverage today. With your help, we’re still writing the story of Hair Club every day, so we welcome you to follow us and stay up to date with the latest Hair Club news, press releases and more.
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.
Try out new hairstyles to disguise your thinning hair whilst you recover your hormonal balance. You may also want to consider a hair piece or clip-in extensions if your hair loss is very bad, but these should be used with care in order to prevent traction alopecia. You may also like to try using rollers or a hair volumizer, to add lift to your locks, or instantly hide thin patches with a good hair loss concealer.
Like with low thyroid, there can be a myriad of imbalances at play with PCOS related hair loss making it a complex issue that’s often written off as merely high testosterone. While androgen excess and hypersensitivity of the hair follicles to these hormones are part of the issue, these are other contributing factors to PCOS related hair loss as well:
Hair loss can occur either in acute or chronic hypervitaminosis A. Loss of eyebrows and eyelashes can occur in chronic hypervitaminosis A which can occur in a number of conditions, either due to enthusiastic overdosing or due to intentional prescription of high doses for diseases such as acne, retinal disorders with night blindness, and others.[116] The cutaneous manifestations include dry, rough, and scaly skin. Chronic hypervitaminosis A is also becoming increasingly common with use of retinoids for various skin disorders. Acitretin has been noted to cause a high incidence of diffuse hair loss.[117] Premature teloptosis may be a prime factor in hair loss induced by retinoids.[98]

In an article on menopause, the University of Maryland Medical Center states, “Estrogen loss can contribute to slackness and dryness in the skin and wrinkles. Many women experience thinning of their hair and some have temporary hair loss.” Meanwhile, this study reports, “It has long been known that estrogens also profoundly alter hair follicle growth … the time has come to pay estrogen-mediated signaling the full attention it deserves in future endocrinological therapy of common hair growth disorders.”


Giorgos Tsetis: I am an entrepreneur and have an engineering background that allows me to think in strategic ways to solve complex problems. Of course, I did have this very personal experience. But, to be honest with you, getting into this category wasn't directly a choice, it felt more like destiny. I say that, because their are literally millions who suffer from what I was suffering from. Aside from being a model, I owned an engineering company in New York, and business was steadily growing. The tipping point came when I found out the University of Washington published research that said my issue could cause permanent sexual dysfunction without the specific drug I was taking. That's when I panicked, reached out to my business partner and dear friend, and we begun to dig deeper into the issue. As we started diving deep, we recognized there was a tremendous white space.
Male pattern hair loss has been established as androgen-dependent because it is associated with changes in the androgen receptor and responds to antiandrogen therapy (Ellis et al., 2002). With FPHL, genes that encode aromatase, which converts testosterone to estradiol, are also implicated (Yazdabadi et al., 2008, Yip et al., 2009). The process of androgen biosynthesis is depicted in Figure 1.
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.
Research suggests that hair loss during menopause is the result of a hormonal imbalance. Specifically, it’s related to a lowered production of estrogen and progesterone. These hormones help hair grow faster and stay on the head for longer periods of time. When the levels of estrogen and progesterone drop, hair grows more slowly and becomes much thinner. A decrease in these hormones also triggers an increase in the production of androgens, or a group of male hormones. Androgens shrink hair follicles, resulting in hair loss on the head. In some cases, however, these hormones can cause more hair to grow on the face. This is why some menopausal women develop facial “peach fuzz” and small sprouts of hair on the chin.
According to the International Society of Hair Restoration Surgery, since 2004, the number of female surgical hair restoration patients worldwide increased 24 percent. Modern surgical hair restoration procedures such as Follicular Unit Transplantation (FUT) and Follicular Unit Extraction (FUE) allow surgeons to take hair from the back of the head (genetically permanent hair zone) and transplant it to the areas where balding has occurred. The reason why the hair does not fall out once transplanted in its new location is because those hair follicles take on the same characteristics as the hair in the area where it originated, the genetically permanent zone. Both approaches result in lasting outcomes. In order to know if you are a candidate, Dr. Yaker will go over your medical history and examine your hair and scalp. He will determine if you have ample, good quality hair in the permanent hair zone in order to be able to relocate those hair follicles to the areas of hair loss.
Information is for educational purposes only. Please speak with your medical provider if you have questions or concerns. Read more. See our privacy policy here. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
What’s more likely is that telogen effluvium is at play (again). In addition to hormone fluctuations, this type of hair loss happens when there is a drastic dip in protein in the diet or sudden weight loss. For example, if you are sick and can only consume liquids for a month. “If you have protein levels that drop dramatically, your hair follicles go into hibernation, and you can see sudden acute hair loss that shows up three to six months later,” says Dr. Katta.

A. I think it's a personal preference, but why is a cosmetic solution such a big deal? To use sprays, powders and hair extensions? It doesn't address the problem, but it can do wonders for your self-esteem. I see patients who are extremely depressed, and this is ruining their life. We always have hope for that miracle solution, but it's very hard to do research studies. … As much as this affects people's mentality, there's not a lot of (National Institutes of Health) funding because hair loss isn't killing anyone.

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.

Many unpleasant things can happen to your body as you age. Losing eyebrow hairs is one of them. When you get older, your eyebrows may naturally become thinner as you experience hair loss. Though aging is inevitable, there are some ways you can help to prevent hair loss as you get older. Managing your stress, maintaining good nutrition, hydrating your skin and not exposing your eyebrows to excessive trauma, such as waxing, plucking, or threading, should help prevent eyebrow loss.
For other women, the problem with estrogen dominance is that they’re also experiencing lower levels of progesterone relative to estrogen—and progesterone helps protect hair follicles from the hair-thinning effects of testosterone, DHT, and estrogen. Evidence suggests that progesterone may act as an aromatase inhibitor and other research suggests that the genes involved in aromatase activity are implicated in female hair loss.
Amalie Beauty Inc. and its materials are not intended to treat, diagnose, cure, or prevent any disease. 
All material on Amalie is provided for educational purposes only. Always seek the advice of your physician or other qualified health care provider with any questions you have regarding a medical condition, and before undertaking any diet, exercise, or other health program.
Giorgos Tsetis: Hair loss completely shattered my confidence, and losing your confidence in modeling isn't a good thing. It was a very high price to pay. For eight years I was struggling, trying different solutions, searching for answers, not knowing what was going on. It was exhausting to say the least. So, when I made the decision to close down my company and started working on Nutrafol, people really thought I was crazy. They wondered why I was taking the chance of getting into this industry. To me, it wasn't really a choice, because there was nothing on the market that was healthy, accessible and helping the other 80 million people who are effected in the United States. We wanted to help ourselves, but really help others by making a valuable product that addressed an unsolved issue.

DLE is an autoimmune condition and is the most common form of chronic cutaneous lupus erythematosus.[35] Clinically, the lesions start as discoid erythematous patches which then develop into plaques with follicular plugging and scaling. Eyelid findings include blepharitis, lid scarring, entropion, and ectropion. Scaly plaques on the eyelids with loss of hair follicles results in madarosis[60] [Figure 3]. Numerous studies have reported the mimicking of a chronic blepharitis by DLE.[35,61–63] A high index of suspicion is necessary in such cases, where the diagnosis is very often delayed by months to years.[35] Biopsy with histopathological examination should be done to confirm the diagnosis. Treatment with hydroxychloroquine results in a regrowth of the eyelashes.[61]
Insulin, that helper hormone in charge of regulating blood sugar levels, also affects a number of different body processes, including fat storage, heart health and, you guessed it, hair growth. One study published in the European Journal of Cardiovascular Risk found that women with some markers of insulin resistance have a greater risk for androgenic alopecia (AGA), or female pattern baldness.
While female hair loss may not cause physical pain, it does cause mental anguish. Fortunately, in many cases, female hair loss can be successfully treated with today’s advanced nonsurgical and surgical treatment options. After a diagnosis has been confirmed, Dr. Yaker will create a customized treatment plan depending on one’s hair characteristics, the level of hair loss and the aesthetic goals of the patient.
It is known that during pregnancy, because of an increased level of estrogen, there is a tremendous growth of new hair. However, during menopause it is noticeable that the reduced level of estrogen hormone tends to cause hair loss. When the estrogen hormone levels tend to drop, the hair follicles fall under the influence of the male sex hormone or the testosterone, which cause the shortening of the growth phase of hair. Subsequently there is a noticeable hair loss. This hair loss caused due to the drop down of estrogen levels may cause patchy hair loss or complete baldness. 

DLE is an autoimmune condition and is the most common form of chronic cutaneous lupus erythematosus.[35] Clinically, the lesions start as discoid erythematous patches which then develop into plaques with follicular plugging and scaling. Eyelid findings include blepharitis, lid scarring, entropion, and ectropion. Scaly plaques on the eyelids with loss of hair follicles results in madarosis[60] [Figure 3]. Numerous studies have reported the mimicking of a chronic blepharitis by DLE.[35,61–63] A high index of suspicion is necessary in such cases, where the diagnosis is very often delayed by months to years.[35] Biopsy with histopathological examination should be done to confirm the diagnosis. Treatment with hydroxychloroquine results in a regrowth of the eyelashes.[61]
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]

It takes more than just an apple a day to keep the doctor away; if your diet lacks the key vitamins A, B, D and E or nutrients such as iron, calcium or the amino acid L-lysine, your hair may suffer. Nutrient deficiency doesn’t just affect the eyebrows—it may lead to hair loss on the scalp, feelings of fatigue and physical weakness, lightheadedness or inhibited concentration, heart palpitations and pale skin, among other serious symptoms.
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