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.
Dr. Carlos Wesley, a hair restoration surgeon in Manhattan, said that women in his practice respond better to P.R.P. than men do, which may have something to do with the fact that women with genetic hair loss tend to have more inflammatory cells around the follicles. From 2013 to 2014, he said, he had an 83 percent increase in female patients, in part because of P.R.P.
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. 
Many physicians recommend that patients engage in a combination therapy that includes minoxidil and Propecia (Est. $75 per 1-month supply) with prescription. Propecia is an oral medication with finasteride being the active ingredient. Finasteride was originally developed by Merck to treat enlarged prostate glands. Excess hair growth was a surprise side effect of the drug and led to the development of Propecia, which was approved by the FDA for treatment of male-pattern baldness in 1997. It has not been approved for women.
“The most common cause of hair loss in both men and women is androgenetic alopecia, which is genetic pattern hair loss,” explains Dr. Michael B. Wolfeld, a board-certified plastic surgeon and an assistant clinical professor of plastic surgery at the Icahn School of Medicine at Mount Sinai Hospital in New York. The root cause of this type of hair loss is dihydrotestosterone (DHT), a byproduct of testosterone that shrinks certain hair follicles until they eventually stop producing hair.
*all photos are models and not actual patients.If you are interested in a prescription product, Hims will assist in setting up a visit for you with an independent physician who will evaluate whether or not you are an appropriate candidate for the prescription product and if appropriate, may write you a prescription for the product which you can fill at the pharmacy of your choice.
The main type of hair loss in both sexes — and the subject of this article — is androgenetic alopecia, or female (or male) pattern hair loss. In men, hair loss usually begins above the temples, and the receding hairline eventually forms a characteristic "M" shape; hair at the top of the head also thins, often progressing to baldness. In women, androgenetic alopecia begins with gradual thinning at the part line, followed by increasing diffuse hair loss radiating from the top of the head. A woman's hairline rarely recedes, and women rarely become bald.

The most common kind of hair loss is pattern baldness. It happens when hair follicles shrink and stop working. The first sign is the appearance of strands that are thinner and more fragile. Then the scalp becomes more visible as fewer hairs grow to replace those that shed. That’s because the anagen phase becomes too short for the hair to grow out of the scalp. Plus, the hairs that remain aren’t securely anchored. And this condition happens to both men and women.
Use dropper to apply directly onto scalp on the top and/or crown of head each morning and evening. Apply to towel dry or dry hair (does not need to be freshly shampooed). Allow one to two minutes to dry before applying other treatments or styling products (may apply other treatments, leave-in conditioners or styling product after applying Regrowth Treatment), style as usual.

According to practitioners of traditional Chinese medicine, hair health is tied to two things: kidney energy and the blood, which nourish the hair. The solution: acupuncture and Chinese herbs. While there isn't a lot of hard science to back this up, Maureen Conant, a TCM practitioner at Full Bloom Acupuncture in Seattle, says that she's seen women's hair stop falling out and then gradually regenerate after a few months of weekly treatments.
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