Melanocyte Stem Cell Maintenance and Hair Graying

Hair follicle stem cells remain in bald individuals, but progenitor cells do not, raising questions about hair regrowth claims by Pelage. PP405 is discussed as a potential treatment, with skepticism about its effectiveness compared to existing treatments like Minoxidil and Finasteride.

Topical application of Eriodictyon angustifolium extract can prevent and reverse age-related beard graying and darken gray hair by increasing melanin production. Sterubin, a component of the extract, also promotes hair pigmentation and protects cells from DNA damage.

Hair follicles are mostly dormant but can be reactivated with treatments like minoxidil, finasteride, and microneedling. A new drug, PP405, shows promise for hair regrowth but may not be available until 2027-2028.

A 20-year-old male experienced bald spots and used minoxidil, which led to hair regrowth but also premature graying. He seeks advice on reversing graying through diet or supplements like catalase, while another user suggests vitamin D3 and sesame for hair color.

Stress can cause hair to turn grey due to stem cell depletion at the hair follicle base. Treatments discussed include Minoxidil, finasteride, and RU58841 for hair loss.

The conversation discusses a hair loss treatment formulation containing cyclosporin, minoxidil, and tacrolimus, and mentions ongoing research on hair color reversal. The treatment showed high efficacy in restoring hair color in trials with 40 to 50 people.