April 2023 in “Journal of Investigative Dermatology”
Radiation treatment causes skinfibrosis by increasing certain fibroblast subpopulations, but using a c-Jun inhibitor or fat grafting can reduce this effect.
Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.
Topical finasteride results in plasma levels 100 times lower than oral finasteride, potentially reducing systemic side effects. Users report similar efficacy with fewer side effects, suggesting a preference for topical application.
The conversation discusses concerns about the potential risk of cancer from creating new hair follicles through microneedling, due to stem cell division. Specific treatments mentioned include microneedling, caffeine-containing anti-hair loss shampoos, and other unspecified topicals.
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.
Finasteride significantly increased testosterone levels for the user, with no major side effects except watery semen, which was resolved with zinc supplements. The user's hairline stopped receding and slightly improved.