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.

Diffuse Hair Loss and How to Treat It

Unlike male pattern baldness (MPB) and female pattern hair loss (FPHL), which tends to follow one of the hair loss patterns defined by the NorwoodScale and the LudwigScale, Diffuse Patterned Alopecia (DPA) is characterized by diffuse thinning throughout the front, crown and vertex(crown) with no distinct pattern evident. However, like male and female pattern balding,Diffuse Patterned Alopecia patients typically preserve the stable "permanent zone" on the sides and back of the scalp and may sometimes retain a well-defined hairline. DPA is also a type of hereditary balding condition like and rogenetic alopecia (genetic hair loss).

Diffuse Patterned Alopecia (DPA) can be difficult to diagnose and, particularly in its early stages, may be confused with a similar condition known as Diffused Unpatterned Alopecia (DUPA). While both conditions are characterized by diffuse thinning, DUPA sufferers lack the stable permanent zone necessary for surgical hair restoration.

Treatment for Diffuse Patterned Alopecia

DPA often responds well to medical hair loss treatments like Propecia (finasteride) and Rogaine(minoxidil) and, due to the preservation of the permanent donor region, many DPA sufferers are candidates for hairrestoration surgery.

Conclusion

It’s essential that hair loss suffering men and women seeking medical and/or surgical treatment for diffuse thinning consult with a skilled and experienced hair restoration physician. Differentiating between DPA and DUPA is critical because Diffuse Patterned Alopecia patients frequently make good hair transplant candidates, whereas DUPA patients rarely do.

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.

If you are going bald you should seriously consider hair loss medication treatments to halt or even reverse your hair loss. While there is no “Hair Loss Cure”, hair loss drugs like finasteride (Propecia) and dutasteride (Avodart) can often stop or even reverse alopecia areata in most people.

However, just like any other drug, Propecia is accompanied by a list of potential side effects, some of which have been more recently reported as potentially long term.  You can read more about this in the "What About Side Effects" section further down this page.

Studies have shown that 80% of men using Propecia stopped or even reversed their hair loss to some degree. Preliminary clinical trials for Avodart appear even more effective than Propecia.

However, neither Propecia nor Avodart has been proven to restore hair in the frontal areas. For reasons yet unknown these drugs, along with Rogaine, only generally work in regrowing thinning hair in crown area of the scalp. Only hair transplant surgery has been successful in restoring hair in the frontal hairline area once it has been lost.

Propecia and Avodart are also less effective in growing hair in older men. These hair loss drugs work best for men who have been balding for less than five years.

Women must NOT USE Propecia

Both Propecia and Avodart are not recommended for use by women or children.

It’s been found that these drugs can cause birth defects. More specifically, these birth defects may occur when large amounts of the drug are absorbed into the body during the period of foetal development.

Physicians advise pregnant women to not handle Propecia tablets, as this may harm male foetuses. But as of yet, there has not been a single reported case of birth defects caused by handling these tablets.

Furthermore, there’s also no evidence that pregnant women exposed to the semen of Propecia or Avodart patients will risk any birth defects.

Propecia and Avodart are also not advisable for men with liver disease or prostate cancer.

Get a Prescription for Propecia or Avodart.

Often our member physicians will prescribe Propecia or Avodart to halt a patient’s hair loss and then restore the hair already lost with hair transplant surgery. These treatments in combination can work synergistically. The drugs work to halt the hair loss, while hair restoration surgery restores what was lost.

To get a prescription for Propecia or Avodart schedule a free no obligation consultation with any of our quality hair restoration physicians. Find a physician in your area.

Propecia and Avodart should be taken once a day. It has been found that after two years of treatment, Propecia effectively grows hair in about 66% of patients. Also, about 83% of the subjects receiving this treatment continue to maintain their existing hair after two years.

Propecia (Finasteride) was originally a drug called Proscar, which was used to treat and reduce men's prostate conditions such as benign prostatic hyperplasia (BPH).

Its parent company, Merck & Co., soon realized that the drug had a unique side effect - it grew hair on bald men's heads.

In December 22, 1997 the FDA approved Propecia as a hair loss pill. Merck & Co. then marketed the drug as a hair loss treatment under the trade name of Propecia.

More recently Dutasteride, sold as Avodart, has generated interest as a promising new hair loss medication. Like finasteride (Propecia) it inhibits the creation of DHT and was originally developed as a treatment for men’s prostate condition.

However, unlike Propecia, Avodart inhibits the creation of both type one and type two 5 alpha reductase enzymes. Dutasteride has been shown to decrease levels of DHT by 90% after only two weeks, making it a more powerful and faster acting weapon against hair loss than Propecia (Finasteride).

Dutasteride is not yet FDA approved for the treatment of hair loss. However, some hair restoration physicians also prescribe it for the treatment of hair loss. Like Propecia, Avodart is not safe for women and children.

Sticking with the program to see results

Losing your hair took time. So too will regrowing your hair using Propecia or Avodart. These drugs require patients to take the drug daily for at least three months before any obvious changes will be noticeable. Most physicians advise taking these drugs for a year before evaluating their effectiveness.

At this time, Propecia and Avodart are only available by prescription. Our member physicians are available to discuss these hair loss drugs with you and prescribe them if appropriate. To find a quality hair restoration physician in your area.

Other DHT Blockers

Aside from Propecia and Dutasteride, there are other treatment options (all topical) that may or may not work to block the effects of DHT on vulnerable hair follicles. These include Revivogen, Crinagen, Progesterone Creams, and Xandrox (a type of minoxidil). Other DHT Blockers

To learn more about these treatments, as well as all other topical options, visit our Topical Hair Loss Products and Treatments section.

How hair loss drugs inhibit DHT and Alopecia Areata

Baldness is largely the result of dihydrotestosterone (DHT) interacting with those hair follicles that are genetically vulnerable to their effects.

DHT is essentially the active ingredient or catalyst for the hair loss process. DHT binds with the receptor sites of genetically vulnerable follicles and gradually degrades the follicles ability to produce healthy hair. This eventually results in baldness in the affected areas.

Hair loss drugs like Propecia or Avodart work by inhibiting the conversion of testosterone into dihydrotestosterone (DHT). By reducing the amount of DHT present in the scalp the hair loss process is slowed and in some cases even reversed.

What about side effects?

Up until a couple of years ago, side effects when taking Propecia or Avodart were only considered temporary. However, over the last several years, many me have reported ongoing side effects from Propecia even after stopping treatment.  This more permanent condition has become known as "Post Finasteride Syndrome" or (PFS). Side effects included but aren't limited to reduced semen production, a reduced libido and softer erections.

As a result, in April of 2012, the FDA mandated labeling changes to finasteride related products.  Labeling changes to Propecia include "libido disorders, ejaculation disorders, and orgasm disorders that continued after discontinuation of the drug".  Labeling changes to Proscar include "decreased libido that continued after discontinuation of the drug".  Labeling changes to both Propecia and Proscar include "reports of male infertility and/or poor semen quality that normalized or improved after drug discontinuation".

While most men don't experience any side effects at all, it should be known that a small percentage of men may experience persistent side effects even after stopping treatment.  Most men who experience side effects however, only experience them temporarily and stopping treatment makes them go away.

For a list of potential side effects and more information on Post Finasteride Syndrome", visit http://www.pfsfoundation.org/.

Causes and Treatments

Alopecia is the medical name for hair loss to the scalp or body.  While Androgenetic Alopecia (genetic hair loss) is the most common, there are many other forms of alopecia related hair loss worth discussing.  Each medically named alopecia comes with distinct symptoms, a unique cause and exclusive treatments. Below, we've compiled a list of and description for the most common types of alopecia related hair loss along with the available treatment options for each.

While the information on this website can be used as a guide, men and women who believe they are experiencing hair loss should always be properly diagnosed by a qualified hair restoration physician to determine its cause. To learn more about each distinctive alopecia hair loss condition, click the links below.

Traction Alopecia
Alopecia Areata
Diffuse Patterned Alopecia
Diffuse Unpatterned Alopecia (DUPA)

Cicatricial alopecia (Scarring Alopecia)

Alopecia Universalis and Alopecia Totalis