Hair loss is a universal condition, affecting all ages, races, genders and nationalities. It’s estimated that “androgenetic alopecia,” or male and female pattern baldness affects 35 million men and 21 million women in the United States alone. This section examines how race, age and gender affect hair loss.

Race and Hair Loss

In physiological terms, human beings are all composed of the same bones, muscles, and everything else down to the cellular level. But there are specific differences.

Hair, in all of its variations, is one area in which human beings display their differences. Hair follicles can widely vary in terms of color, length, shape, thickness, strength and various other factors.

There are many ethnic groups to consider. But we will focus on the special considerations of Asians, Blacks (of African descent) and Caucasians.

Asian Hair Loss Considerations

Asian people typically have very straight hair. Their scalps contain fewer hairs per square centimeter, they actually have a lower hair density than that of Caucasian hair follicles. But because the individual hair follicles of East Asians are thicker, this gives the look and impression of greater hair density.

For these reasons, hair restoration techniques for East Asians, much like other races, must be sensitive to a variety of anatomic and cultural differences. For instance, East Asian females often have an increased likelihood of developing “diffuse alopecia,” or hair that thins evenly over the entire head than Caucasian females.

Even though it’s not a definite requirement, it’s very helpful for Asian patients to seek out doctors with experience in Asian hair.

Another consideration for East Asians considering hair restoration surgery is the increased chance of developing keloid scars. A keloid is a thick, irregularly shaped and elevated scar with uncontrolled growth that results from excess fibrous skin tissue. East Asians typically have a greater likelihood of keloid development than Caucasians, but less than that of people of African descent. Therefore, before undergoing surgery, East Asians may want to consider being medically evaluated for keloids.

African Hair Loss Considerations

People of African descent usually possess naturally curly hair. This curly hair gives the visual impression of increased hair density for a given amount of hair, which is beneficial in hair restoration surgery.

The hair follicles beneath the skin of people of African decent also typically curve more than Caucasians. This can make harvesting the donor hairs, without severing or transecting the hair follicles beneath the scalp, more difficult. A hair restoration physician needs to be very aware of this difference and adjust to its requirements.

As in the case of East Asians, people of African descent possess some unique hair and skin characteristics. Some of these medical conditions are more common in black skin than in white skin. This may increase the risk for post-surgical complications.

Those of African descent have a higher chance of developing keloid scarring when injured. This in turn leads to a greater chance of noticeable donor scars. Keloids aren’t a widespread problem. But those with a history of them are carefully evaluated in regard to their existing scars. The evaluation usually involves a small "test procedure" to determine if there’s a normal healing rate.

Another issue is that of postoperative skin discoloration. With darker skin, there’s often a greater risk of both increased and decreased skin color after injury or surgery. These risks can be determined by the patient’s medical and family history.

Ingrown hairs are also a more common problem in darker skin. If a patient has a history of ingrown hairs or other minor skin infections, this may signal a higher risk for ingrown hairs post-hair restoration surgery. Again, this risk can be determined by a small test procedure.

Caucasian Hair Considerations

Caucasians (white people) may have a wide range of hair and skin types. However, if someone has dense and or coarse hair, as well as skin color similar to their hair color, they will generally achieve the best results for a given amount of restored hair.

Learn more about aging and gender hair loss

Para-Aminobenzoic Acid (PABA) has been called the anti-gray hair vitamin and is considered one of the lesser known members of the vitamin B complex family (despite the fact that it’s not really a vitamin at all).  PABA is a non-protein amino acid and isn’t essential in the human body.  It can be found in foods such as liver, whole grain, yeast, and kidney and is listed as an active ingredient in several popular herbal hair loss treatments such as Provillusfor women and Procerin. 

The potassium salt in PABA called POTABA is available on prescription. POTABA is indicated for Peyronie’s Disease and scleroderma. The dose for Peyronie’s disease and scleroderma is very high (12 grams daily in 4 to 5 distributions) and must only be used under medical supervision. Because of the high doses needed to achieve clinical efficacy, patient compliance is typically poor.

But can PABA actually treat male pattern baldnessor genetic female hair loss?

Some tests conclude that PABA when combined with other elements such as folate, biotin, and pantothenic acid, may restore pre-maturely graying hair to its natural color.  Some anecdotal reports suggest it might also stop hair loss, however; there are at least as many reports that contradict this.  Moreover, we haven’t seen any evidence to suggest it can stimulate new hair growth or hair regrowth.

PABA comes in doses of 100mg, 250mg, and 500mg as a standalone product.  However, since no formal clinical studies have been performed on PABA for hair loss, a suitable dosage is mostly speculation.  Additionally, since no regulations have been placed on herbal medication, one should proceed with extreme caution before taking any herbal supplement.  Consulting with a doctor is advised.

Side Effects and warnings:

Some manufacturers of herbal replacements to medication would have you believe that herbal treatments come without potential side effects.  However, this is a farce. 

The following side effects have been reported from consumers of PABA: Anorexia, vomiting, nausea, hypersensitivity, fever and rash (particularly with larger doses). These symptoms went away when PABA is stopped.

Ironically, Provillusonly includes PABA in the woman’s formula.  However, women should know that pregnant women, nursing mothers, and children should avoid using PABA.

For those with renal disease, PABA should be used with caution.  PABA should be stopped if hypersensitivity develops. Those taking pharmaceutical doses of PABA must be under medical supervision.

The "Active" Ingredient in Many Popular Hair Loss Treatment Products

Many popular hair loss treatment options today such as Provillus, Procerin, and Avacor contain the “active” ingredient saw palmetto. It can also be purchased as a standalone supplement in most nutritional stores. But the age old question of whether or not it can effectively treat baldness in men and women with alopecia is still heavily debated. By taking a look at the scientific evidence available we are able to draw some conclusions as to its potential benefit for those with thinning hair.

What is Saw Palmetto?

Saw Palmetto berries are a deep red fruit that grow wild on palm trees in warmer climates, typically found in the Southeastern United States. The liposerolic berry extract is typically used as an herbal supplement for the promotion of a healthy prostate.

Saw Palmetto Hair Loss Study:

Similarly to finasteride (the active ingredient in Propecia and Proscar), studies have shown that when taken orally, it may be an effective anti-androgen by lowering dihydrotestosterone (DHT) levels in the body by blocking 5 alpha-reductase enzymes. Additionally it is said to block receptor cites on cells which is required for cells to absorb DHT.

Tests have also been performed on its use in the treatment of benign prostatic disease, which similarly to androgenic alopecia, depends on the production of DHT.

It is also noteworthy to state that a small preliminary study in 2002 was performed as reported by The Journal of Alternative and Complementary Medicine(2002;8:143-52) that shows a select group of 19 men between the ages of 23 and 64 taking either (400mg of saw palmetto and 100mg of Beta-sitosterol) or a placebo orally. Those who took the herbal combination had 60% improved hair growth over those who took the placebo. There have been no studies to date indicating the efficacy of saw palmetto applied topically for male pattern baldness, female hair loss, or anything to date.

In our opinion, there are two potential difficulties with this study:

• Many scientists would argue that the control study group was too small to determine any real efficacy and improved hair growth could have happened by chance. A larger study therefore may be necessary to determine any level of real efficacy.
• “Improved hair growth” is not the same thing as newhair growth and hair regrowth, nor should it necessarily imply that it works to stop hair loss
• There are no regulations or suggested daily value as to how much saw palmetto would be required to successfully treat baldness. The appropriate dosage therefore is questionable.
• The above study was only performed on saw palmetto taken orally. Hair loss products that promote topical use for baldness are basing their belief in its efficacy on something other than published clinical evidence.

The Dosage:

But if there are no current standards on dosages of herbal medications in the United States, how do these popular hair loss treatments produce an appropriate dosage?

Clinical studies on Benign Prostrate Hyperplasia (BPH) have used a dosage of 320mg of the berry extract daily (either one 320mg pill or 2 X 160 mg pill). A daily dosage of 480 mg of saw palmetto berry extract was not found to be any more effective in a six-month study. If the entire berry was used, up to 1000mg or 2000mg would be required to reach the same goal.

The theory therefore is that if saw palmetto can successfully treat an enlarged prostate similarly to finasteride, it can effectively treat hair loss with a similar dosage Many popular “baldness cure” products contain approximately 1500mg of the berry which is equivalent to approximately 240-320mg of the berry extract.

Side Effects and Warnings:

One false assumption is that “all natural” treatments don’t have potential side effects. It is stated that use of saw palmetto has not proven to be safe for women with hair loss during pregnancy and lactation. Medical supervision is suggested for women of childbearing age. Similar warnings are listed about Propecia.

Conclusions:

Based on some anecdotal evidence, saw palmetto is said to treat baldness because of its tendency to act like finasteride by helping those suffering from BPH. However, authentic clinical studies have not been performed to date that support this claim. Dosage and how it should be used (orally or topically) therefore is based on conjecture rather that scientific evidence.

Contained in Several Popular Hair Loss Treatments for Men

Nettle root extract can be found in a number of popular hair loss treatments, such as Provillus and Procerin, and at your local health food store as a standalone product. Conjectured to effectively inhibit the production of DHT, below we examine whether or not nettles are as effective as Propecia (finasteride) in blocking DHT and stopping the progression of male or female pattern hair loss.

Description

“Nettles” is the common name for Urtica Dioica, an herbal plant also known as the Stinging Nettle. This perennial herb is often eaten in many parts of the world and is often added to soups, salads or cooked as greens, though less frequently. Nettle leaves are long and pointy, but only the shoots and top of the plant are eaten. Nettle plants have dark green leaves and typically grow about 2 or 3 feet tall and its flowers are covered with tiny stinging hairs that contain an irritant. Allergic reactions are common if they come in contact with human skin.

Use of Nettles

Nettle root extract was found to partially block 2 enzymes by researchers such as R. Hartmann.  The first is 5-alpha-reductase that when combined with testosterone, produces DHT (dihydrotestosterone). DHT is the hormone responsible for androgenic alopecia hair loss. The second enzyme is aromatase, which makes estrogen.  Combining nettle root extract with another herbal agent pygeum has been found to inhibit these two enzymes more effectively than either one alon It was shown that nettle root extract had to be used at high dosages in order to effective whereas lower doses of pygeum worked well.  Prostatonin, the combination product of nettles and pygeum have been used to treat BPH (benign prostatic hypertrophy).

Studies by researchers JJ Lichius and others have shown a reduction in prostate growth in mice when large doses of nettle extract were taken orally. Combining nettle root extracts with saw palmetto berries in BPH patients reduced the amount of testosterone and estrogen. Conversely, it has been conjectured that nettles can block testosterone from binding to the sex hormone globulin, a carrier protein that binds testosterone and limits its bioavailability in the body. As a result, nettles have been called an aphrodisiac since it may help maintain testosterone levels.

Other uses of Nettles include treatment for arthritis, asthma, kidney, urinary tract infections, and last but not least, baldness.

Nettle Root as a Hair Loss Treatment

Like many other herbal supplements with some clinical evidence suggesting efficacy in treating enlarged prostates (BPH), some have claimed that nettle root extract may stop hair loss and maybe even aid hair regrowth.  Because Propecia (finasteride) works to stop the progression of male pattern baldness by inhibiting the production of DHT, it is conjectured that nettle root extract may be of similar benefit.

Nettle root is a popular ingredient taken orally in a couple big name hair loss products such as Provillus and Procerin.  Some have also conjectured that applying nettle root extract topically to the scalp may also facilitate new hair growth. Because many topical irritant type products are used to treat alopecia areata hair loss, some suggest nettle root extract applied topically may be effective in treating it. Those who conjecture its efficacy to treat baldness recommend doses of 500mg or more daily.

Though some have declared that nettle root extract may be an effective hair loss treatment, no clinical controlled studies have been performed proving its efficacy for androgenic alopecia (genetic female hair loss and male pattern baldness) or alopecia areata. 

Possible Side Effects of Nettles

Despite claims made that “all natural” herbal supplements are free from side effects, nettle root has its share of warnings. When topically applied, irritation of the scalp or an allergic reaction can occur. When taken orally, it can cause upset stomach, burning, difficulty with urination, bloating and edema.  Nettle root extract should not be used in patients with heart or kidney problems, due to fluid retention properties.
Those who want to try nettle root extract as a hair loss treatment should proceed with caution and consult their doctor before using it.

Stemcelex is the newest product in a long line of hair restoration therapies claiming to “cure” hair loss via stem cell therapy. Given the recent onslaught of news regarding stem cell based hair loss treatments, injectable baldness cures, and research breakthroughs, it’s not surprising to see new therapies claiming to aggressively fight hair loss through these same mechanisms. However, is Stemcelex truly a stem cell based, regenerative hair loss cure, or is it another therapy simply riding the recent wave of interest in these types of non-invasive, revolutionary treatments?

At first glance, Stemcelex seems quite impressive. The product website is filled with scientific explanations, graphs, charts, and diagrams explaining the science behind stem cell based hair restoration. Stemcelex even states its affiliation with Dr. George Cotsarelis, a researcher at the University of Pennsylvania Medical Center who, along with a talented research team, recently discovered that the bald scalp does not suffer from a lack of stem cells, but rather a dysfunction in the pathway to properly activating stem cells to produce hair. The finding was significant and Dr. Cotsarelis’ involvement and the seemingly detailed science look promising, but what about Stemcelex itself? Does it utilize these scientific breakthroughs and offer an effective treatment for hair loss?

Unfortunately, despite the impressive name recognition and detailed explanations, Stemcelex doesn’t appear to live up to its lofty hair restoration claims. Despite claiming to “activate” the dormant stem cells described by Dr. Cotsarelis, Stemcelex does not offer any sort of feasible molecular/stem cell based therapy. The website cleverly explains the science behind stem cell inactivation and the promise of reversing the dysfunctional pathway, but instead of reinforcing Dr. Cotsarelis’ view that cures for reversing the inactivation pathway are not yet understood, Stemcelex claims to actually fix the stem cell inactivation through a series of unproven homeopathic and herbal treatments for hair loss.

So, what is actually inStemcelex? The treatment involves a three day cycle of different lotions and topical treatments for baldness applied twice a day.

Day1: On the first day of the hair restoration cycle, a topical lotion made from Jaborandi Pilocarpus is applied twice after washing and thoroughly drying one’s hair. According to Stemcelex, Jaborandi Pilocarpus is a parasympathetic activator (it excites the nerves that cause the body to “rest and digest” during periods of relaxation) that rids the scalp of excess oils and dandruff that impede healthy follicular hair growth. Furthermore, Stemcelex claims that Pilocarpus naturally darkens and thickens existing, native hairs. According to the experts, Pilocarpus has no reproducible pharmacological applications and any evidence that it actually thickens and darkens hair is anecdotal.

Day 2: The second day of the cycle involves Veratrum Lobelianum, a family of herbs commonly used in Chinese medicine.  Stemcelex claims these herbs can penetrate the scalp and activate the necessary molecular signaling to “regenerate” the hair follicle stem cells. Furthermore, Veratrum allegedly down-regulates or prevents the production of Dihydrotestosterone (DHT), the hormone directly responsible for male pattern baldness. According to the research, members of the Veratrum family have been used in everything from a Native American poison to a drug researched in human blood pressure.  Currently, they are used in cancer treatments. Although the science behind cancer therapies indicates that the drug could have some molecular benefit in signaling cell activation and inactivation, there has been no research or evidence suggesting that Veratrum is useful in fighting, reversing, or preventing the effects of male or female hair loss.

Day 3: During the third day of the Stemcelex cycle, a kelp based topical extract is applied twice daily to provide nutrients to the “new hair growth” and also ensure that the scalp remains clean and healthy. This step of the treatment doesn’t claim to be more than a simple dose of nutrients useful in good scalp hygiene.

After reviewing the active ingredients behind Stemcelex, there is no evidence to suggest that Stemcelex is an effective hair loss treatment at this point in time. The idea of activating the dormant stem cells is important to finding a molecular cure to hair loss, but despite understanding this importance, Stemcelex doesn’t offer any concrete stem cell reactivation agents. It’s possible that Veratrum may prove useful in cell signaling and reactivating dormant cells, but the current research and evidence simply don’t support its use at this time.  Furthermore, Stemcelex charges a hefty $99.85 for a month supply of the treatment which may keep even the most curious and enthusiastic hair loss suffering men and women away.

Altogether, the idea of reversing dormant hair follicle stem cells is important, but therapies for effectively stopping and rewiring this pathway do not seem to exist at this point in time. Unfortunately, this seems to nullify the claims made by Stemcelex and prevent it from becoming a stem cell hair loss cure.

Female hair loss, otherwise known as Female Pattern Baldness (FPB), affects 1 out of every 4 women in the United States. Recent findings have found that the incidence of FPB has been reported to be as low as 8% and as high as 87%. And, it does appear to be as common for women as for men. Most often, menopause is the most frequent time for hair loss in women to become apparent.

For a woman to lose her hair can be even more troubling than for men. A woman with thinning hair is not generally accepted as part of the normal aging process. Society has come to expect a thick, luxurious head of hair as part of the attractiveness in women.

While males and females can both experience thinning hair, they typically do not lose their hair in the same order or appearance.

Women with thinning hair compared to Men

Typically men observe their hair loss earlier, whereas women will first notice it in their late 20's through their early 40's. Female Pattern Baldness (FPB) is often seen during hormonal changes. These include the use of birth control pills, following childbirth, or during or after the time of menopause.

Top view of patient, showing excellent growth of transplanted hair.

In addition, men typically have localized areas (patterns) of thinning, whilein women this usually occurs as thinning across the top, or over an even wider area. When women have very diffuse thinning over much of their scalp they are generally not good candidates for hair restoration surgery. However, women with localized hair loss, similar to the typical male pattern baldness, can successfully undergo hair restoration surgery.

Thinning hair in females is also characterized by an increase in the combination of normal thick hairs mixed in with finer, smaller hairs. This results in decreased density, and not total hair loss.

A woman's hair has also been proven to be more sensitive to the effects of stress than men's hair. Stress can result in hair loss in women and men. But this type of loss is not female pattern baldness. Rather, it is known as “telogen effluvium.” This type of hair loss is the shedding of hair in the resting phase when the body senses that it needs to divert its energies elsewhere. Therefore stress can temporarily changes the amount of hair that is shed. But the lost hair is likely to grow back.

The production of the hair loss-inducing androgens is also different among men and women. A woman produces a small quantity of androgens in the adrenal glands and the ovaries. The ovaries also produce pre-hormones, which are then converted to androgens on the outside of the ovaries or adrenal glands.

Generally speaking, a woman with hair loss will probably not experience total balding in a given area. But if there is total hair loss, this is most likely a sign of a previously hidden disease. For this reason, it’s important for females to have their hormone levels checked by a physician if they are experiencing heavy hair loss.

Finally, men and women react differently to various hair loss treatment options. In men, hair loss may be halted or even reversed by finasteride (brand named "Propecia"). However, Propecia is not safe for females or children. Minoxidil (Rogaine) can be effective for both men and women in treating hair loss.

However, for some women the causes of their hair loss are much more complex than the classic "male pattern baldness". Thus proper diagnosis of the underlying cause is vital before any hair loss treatments are attempted.

The following physicians are nationally well known experts in female hair loss. Feel free to contact them.

David Whiting in Dallas, Texas - 214 824-2087

Vera Price in San Francisco, California 415 353-4163

Maria Hordinsky in Minneapolis, Minnesota 612 625-1493

Wilma Bergfeld in Cleveland, Ohio 216 444-5722

For a web community that is dedicated to female hair loss visit HerAlopecia.com