The other main hair-loss treatment that was recommended by all four dermatologists I interviewed is finasteride, often called by its brand name Propecia. This FDA-approved medication is only available with a prescription, but these days, it’s found as a generic and ordered online after a virtual consultation, through start-ups like Hims, Keeps, and Lemonaid.

Apply one mL 2 times a day directly onto the scalp in the hair loss area. See carton and enclosed leaflet for complete directions. Using more or more often will not improve results. Continued use is necessary or hair loss will begin again. When using this product do not apply on other parts of the body. Avoid contact with the eyes. In case of accidental contact, rinse eyes with large amounts of cool tap water. Some people have experienced changes in hair color and/or texture.
SmartGraft is a new, breakthrough device that helps surgeons and their specialized teams perform FUE or Follicular Unit Extraction hair transplantation. Less invasive than traditional linear “strip” harvesting, Follicular Unit Extraction uses no scalpel, no stitches, no staples in the donor area–allowing for faster healing, less discomfort after transplantation, quicker return to athletic activity and leaving absolutely NO tell-tale linear scar. It yields only grafts which contain as little as a single hair follicle, which — when used artistically — can result in a 100% natural appearance.
During this procedure, surgeons remove a narrow strip of scalp and divide it into hundreds of tiny grafts, each containing just a few hairs. Each graft is planted in a slit in the scalp created by a blade or needle in the area of missing hair. Hair grows naturally this way, in small clusters of one to four follicles, called follicular units. As a result, the graft looks better than the larger "plugs" associated with hair transplants of yesteryear.
In the past few years, medicine has made tremendous strides in the treatment of men's hair loss. With the advent of 5-alpha-reductace inhibitors such as Propecia and the evolution of surgical hair restoration, living with noticeable hair loss is no longer inevitable. For the first time in the history it is now possible to stop or slow the progression of hair loss and to replace lost hair through surgery with completely natural results.
Some women find that the minoxidil solution leaves a deposit that dries and irritates their scalp. This irritation, called contact dermatitis, is probably caused not by the minoxidil itself, but rather by the alcohol that is included to facilitate drying. A 5% solution (available only by prescription and approved only for men) is more effective than the 2% formulation and may be prescribed off-label for women. The 5% version comes in a foam, which appears to cause less irritation than the liquid.
In either sex, hair loss from androgenetic alopecia occurs because of a genetically determined shortening of anagen, a hair's growing phase, and a lengthening of the time between the shedding of a hair and the start of a new anagen phase. (See "Life cycle of a hair.") That means it takes longer for hair to start growing back after it is shed in the course of the normal growth cycle. The hair follicle itself also changes, shrinking and producing a shorter, thinner hair shaft — a process called "follicular miniaturization." As a result, thicker, pigmented, longer-lived "terminal" hairs are replaced by shorter, thinner, non-pigmented hairs called "vellus."
When using this product do not apply on other parts of the body avoid contact with the eyes. In case of accidental contact, rinse eyes with large amounts of cool tap water. some people have experienced changes in hair color and/or texture it takes time to regrow hair. You may need to use this product 2 times a day for at least 4 months before you see results. the amount of hair regrowth is different for each person. This product will not work for everyone.
Instead, you may want to add vitamin D (about $15) to your shopping cart. A vitamin D deficiency can exacerbate hair thinning and make it almost impossible for any over-the-counter product to reverse hair loss, says Dhaval Bhanusali, a dermatologist in New York City, who recommends taking 5,000 international units of D3 a day (and it’s generally beneficial for bone health in women over 40). “There’s also a link between low iron and zinc levels and temporary hair shedding, called [telogen] effluvium,” says Rogers.
Keranique's Hair Regrowth Treatment features the only FDA-approved ingredient clinically proven to help women regrow hair. Perfect for women with thinning hair looking for serious and long-term solutions to maintain their hair's fullness. Use twice a day, everyday, for healthy and fuller-looking hair. The Keranique Hair Regrowth Treatment’s active ingredient is clinically proven to reactivate dormant hair follicles and help re-grow hair.
Back in the 17th century, men were told that coating their balding heads with chicken faeces would help them regain a full head of long glossy locks. While we might have moved on somewhat since then, we still don’t fully understand the science behind hair loss and hair regrowth and, unfortunately, there are still some very common myths about hair remedies that we are far too quick to believe. 
There are several different types of medication you can buy to help treat hair loss. Procepia and Finasteride are currently the only approved drugs you can take that will effectively treat hair loss. The active ingredient in both treatments (finasteride) works by blocking DHT (the male hormone dihydrotestosterone) that causes hair loss by shrinking hair follicles on your scalp. It has been proven to lead to hair regrowth or to stop hair loss in around 9 out of 10 men in clinical trials. 
Castor oil is the unsung hero of the hair world—you might even be tempted to ditch your coconut oil for it after reading this. First of all, castor oil has antifungal and antibacterial properties to help combat scalp infections that prevent your hair from growing. Second, it’s filled with omega-6 fatty acids, vitamin E, proteins, and other nutrients that can penetrate your parched strands and seal your hair shaft to retain moisture. Thirdly, it makes an amazing hot oil treatment—massaging the oil into your roots will help your scalp drink up all of the nutrients and help promote hair growth.

That meant new products like Hims and Keeps were out.Hims and Keeps are relatively new companies that allow you to set up a subscription for hair loss treatments. Both offer finasteride (after an online consultation with a doctor) or 5 percent minoxidil. However, their minoxidil solutions contain propylene glycol, so we cut them from consideration.
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