Sexual Medicine Reviews: The Premier Review Journal for the Field of Sexual Medicine

Topical androgen receptor antagonists may not be necessary if 5-AR inhibitors like finasteride or dutasteride effectively reduce DHT levels. Combining a 5-AR inhibitor with a topical androgen antagonist could potentially enhance treatment, but oral use of androgen antagonists is too risky due to severe side effects.

The conversation discusses the need for a localized 5-alpha reductase inhibitor that only affects the scalp without systemic side effects, similar to pyrilutamide's approach. Current treatments like topical liposomal finasteride and dutasteride are mentioned, but concerns about their systemic effects and lack of research are highlighted.

The user used Finasteride daily and Ketoconazole twice a week for 1.5 years, and RU58841 daily for 0.5 years, which improved hair thickness but caused slight gynecomastia. They are considering using SERMs like tamoxifen and raloxifene to manage side effects and are exploring other treatments like oral minoxidil.

Natural vitamins like pumpkin seed oil, saw palmetto, and ecklonia cava are discussed for their potential to lower DHT levels. They may work similarly to finasteride but are significantly weaker.

A 23-year-old male with slight hair thinning is using ketoconazole shampoo, biotin, zinc, magnesium, D3/K2, and has just started topical finasteride (0.0125%). He plans to add minoxidil (4.5%) with 17α-estradiol and is seeking advice on the effectiveness and side effects of these treatments, as well as the use of a dermaroller.

Caffeine may promote hair growth and potentially inhibit 5-α-reductase activity in hair follicles, but its effectiveness and systemic impact remain unclear. Users discuss using topical caffeine solutions, with some experiencing no side effects compared to finasteride.