The Hair Follicle: Functions, Self-Renewal, and Alopecic Disorders

The conversation discusses the importance of scalp skin barrier health in hair follicle cycling, suggesting treatments like ceramides or niacinamide to support hair growth. It also mentions the use of finasteride for hair loss.

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.

Increased Malassezia and Cutibacterium in the scalp microbiome are linked to higher sebum production and inflammation in androgenetic alopecia (AGA). Treatments include ciclopirox shampoo, benzoyl peroxide shampoo, clobetasol propionate, calcipotriol, minoxidil, finasteride, and dutasteride.

Hair follicles cannot be desensitized to DHT like allergies; treatments focus on reducing DHT levels or blocking its effects using methods like finasteride, GT20029, or PROTACs. Topical treatments like ceterizine and BPA application are also mentioned.

The user is experiencing hair loss and has been using treatments like minoxidil, finasteride, and ciclopirox olamine. Despite these treatments, they are concerned about increased shedding, dandruff, and possible additional hair loss conditions.

PP405 is ineffective for miniaturized, fibrosed hair follicles in androgenetic alopecia. AMP303 may activate hair follicle stem cells, but minoxidil and finasteride are still the main treatments.