“(WO/2007/149312) METHODS AND COMPOSITIONS FOR INHIBITING OR REDUCING HAIR LOSS, ACNE, ROSACEA, PROSTATE CANCER, AND BPH”
That is the title of the patent.
The patent focuses on inhibiting the action of prostaglandin D2 by inhibiting its production or reception via its receptor site. PGD2 is 4.4 times more prevalent in balding scalp than hairy scalp. Shaved mice can have their next growth phase inhibited perpetually with topical application of this substance. The patent makes for interesting reading