Vitamin D deficiency can contribute to hair loss, but it is not the sole cause, and supplementation may not always resolve the issue. Treatments like finasteride and minoxidil are recommended for hair regrowth, with vitamin D and other supplements providing additional support.
Tretinoin may enhance minoxidil's effectiveness for those not responding to minoxidil alone, but it could reduce efficacy for some who are already responding to minoxidil. Tretinoin requires careful use, including skin moisturizing and sun protection due to increased sensitivity.
User shared progress after one year using Minoxidil 5% topical and 1 mg Finasteride pills daily, along with vitamin D3 supplements. They experienced significant hair regrowth and are now growing their hair out again.
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 113 year old man who has more hair than most people, and the conversation is discussing potential genetic factors that may be responsible for this. Possible treatments such as dermarolling and minoxidil, finasteride, and RU58841 are mentioned.