UV Damage of the Hair

Male-pattern baldness might increase UVB exposure on the scalp, potentially affecting vitamin D and skeletal health. The hypothesis is debated, with some seeing it as a minor benefit in specific contexts.

The conversation discusses hair loss struggles and treatments, including oral minoxidil, oral finasteride, and RU58841. Users share experiences and advice, suggesting options like topical minoxidil, microneedling, hair transplants, and scalp micropigmentation.

Betacarotene's effect on hair loss is discussed, with concerns about excessive vitamin A. The user also questions if 15mg melatonin impacts vitamin A levels.

The conversation discusses whether sunlight exposure affects hair growth or loss, with mixed anecdotes and theories but no clear consensus. Some suggest moderate sunlight can benefit hair by providing vitamin D, while others doubt its effectiveness compared to treatments like Minoxidil or finasteride.

Androgenic alopecia (AGA) might have evolved to reduce prostate cancer risk by increasing UV exposure to the scalp, but this theory is debated. Treatments like minoxidil and finasteride are used for AGA, though the exact causes and evolutionary reasons for hair loss are unclear.

A 31-year-old uses Minoxidil, RU58841, Reviv Hair Serum, and Ketoconazole shampoo for hair loss but avoids finasteride. They plan to reintroduce red light therapy (LLLT) and Eucapil despite previous shedding concerns.