Coming in at number 3 is this great product from the trusted name of Biotopic. The main advantage of their product is the fact that this contains only natural ingredients. Formulated with biting, Caffeine and Saw Palmetto, it reduces the hair loss and promotes volume and adds bounce and shine to the existing hair. The product is formulated into a neat spray formulation which is easy to apply and target to the affected area. With a once in a day application, it is easy to stick to the routine. The results wit this formulation are really amazing. If you suffer from MPB especially in the crown region, this product is for you.
*Photograph used with permission of the Journal of the American Academy of Dermatology. This photograph was published in the Journal of the American Academy of Dermatology, Vol. # 60, Gathers RC, Jankowski M, Eide M, et al. “Hair grooming practices and central centrifugal cicatricial alopecia,” 660-8. Copyright Elsevier (2009). Journal of the American Academy of Dermatology.   
In-office laser light treatments or at-home handheld devices, such as the HairMax LaserComb, supposedly grow new hair by stimulating blood flow to the area (think: an amped-up version of a scalp-stimulating shampoo). Just don’t expect the device to make your noggin go from looking like George Costanza’s to Jerry Seinfeld’s. “These lasers won’t grow any new hair. If anything, they may just help you hang on to some of the hair that you already have a bit longer,” says Dr. Joyce. 

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."
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