With those pinned down, it wasn’t hard to determine which don’t actually work. Pretty much all the “active” ingredients listed in ineffective treatments — from biotin and zinc to emu oil and saw palmetto — have never been proven, and are instead marketed based on logical-seeming correlations. It would make sense that biotin, a B vitamin readily found in hair, skin, and nails, could help hair grow more quickly. And caffeine is a stimulant that works in coffee, so rubbing some on your scalp might wake some of those sleepy follicles… right?

Yoga can stimulate your scalp by improving blood and oxygen flow in the body. This results in enough nutrients reaching the hair follicles and rejuvenating them, having an automatic effect on the growth cycle of the hair. Yoga can also help to regulate the body’s hormones that affect hair growth and hair loss. Some yoga poses (asanas) that are recommended for hair growth are:

Once male-pattern baldness starts, it’s not going to stop until every last hair on your head has shrunk or shed, though the rate at which this happens differs from person to person and depends on genetics. And since the grind of hair loss is unending, it’s important to start treatment as soon as your hairline starts bothering you. If you’re looking for a more quantitative metric, Dr. Paul McAndrews, clinical professor of dermatology at the USC School of Medicine and member of the International Society of Hair Restoration Surgery, assures me that “you have to lose half your hair before the human eye can tell.” (Of course, if you don’t care about losing your hair and are fine with going full Prince William and shaving your head, go for it. We’ve got some recommendations for razors and hair trimmers to help you out on that front.)
That’s why I created this guide. I want to help steer you in the right direction. There are many new treatments and possibly even cures on the horizon, but for now, stick to what is proven to work. After all, the best way to treat hair loss is to start managing it early on. It’s much easier to keep your remaining hair compared to growing it back. And worst case scenario, you will slow it down to a degree it may take several years to show any further recession.
Some companies market special hair growth vitamins and supplements that you can buy to make it easier for you to stay healthy and help prevent hair loss. In general, however, all you need to do is make sure that you are getting enough protein in your diet (eating lots of protein-rich foods like dark green leafy vegetables, fish, eggs and beans), and the right levels of iron, zinc and vitamin A. B, C and folic acid. 
Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include Micromedex® (updated Oct 1st, 2018), Cerner Multum™ (updated Oct 2nd, 2018), Wolters Kluwer™ (updated Oct 2nd, 2018) and others. To view content sources and attributions, please refer to our editorial policy.
The truth is, the amount of propylene glycol in hair loss treatments is not likely to cause any real harm and the FDA has given the chemical approval for many uses. But even though it is safe, we wanted to ensure that our top picks would be as comfortable to use as possible. So when Dr. Khadavi told us that “a third of my patients get irritated from minoxidil products because of propylene glycol,” we decided to cut any treatments with it. In any case, it’s the minoxidil that helps curb hair loss and not the propylene glycol.
According to Men’s Fitness, Minoxidil will help slow the hair loss process, preserve the hair you have, and regrow hair more quickly. The six month supply of unscented topical solution is clinically proven to help regrow hair and revitalize hair follicles. The easy-to-use application can be used once daily. Simply apply the solution along the scalp using the dropper.

Men taking Propecia run the risk of sexual side effects, but most experts say that it only affects a small minority. The risks are greater for women, especially those who are pregnant or may become pregnant. Experts warn that so much as handling the tablets can lead to serious birth defects. Like minoxidil, Propecia use must be continued for as long as results are desired.

Why? Unwanted hair growth (sideburns, for example) is a reported side effect of minoxidil. The belief is that a higher concentration of minoxidil would result in more unwanted hair, which is why women are instructed to use it less often. However, the study in Skin Therapy Letter reports that unwanted hair was more common in 2 percent minoxidil solutions than 5 percent, and women are instructed to use Rogaine’s 2 percent solution twice daily — so what gives?
Acupuncture is a form of Chinese medicine that has been practiced for thousands of years. Its applications are many, and some researchers believe that it may help with hair loss from alopecia areata. How? The needles inserted into the scalp may help stimulate hair follicles and promote regrowth. More research needs to be done in this area, but consider asking your doctor for a referral to a licensed acupuncturist if this treatment sounds appealing to you. (Learn more about acupuncture for hair loss.)
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