Topical finasteride that doesn't penetrate the skin could potentially treat hair loss without side effects. Current challenges include finding a formulation that remains on the scalp without increasing blood levels.
User taking 1mg finasteride daily for 2 years, wants to block more scalp DHT. Seeks reference for additional topical DHT blockers like alfatradiol and fluridil.
RU58841 is used topically to prevent hair loss by blocking DHT, with suggestions to drink grapefruit juice, take breaks, avoid microneedling, and use lower concentrations to reduce side effects. Users discuss applying it at night to minimize systemic absorption.
Topical dutasteride 0.05% is more effective for hair growth than oral finasteride 1mg, with minimal DHT reduction. The formulation uses castor oil and MCTs for better absorption but is not widely available until 2028.
A user is trying 2-deoxy-D-ribose with distilled water for hair growth, observing new hair and skin pigmentation changes. Others compare it to Minoxidil, expressing interest and caution about its effectiveness and safety.