Wound Healing in Aged Skin Exhibits Systems-Level Alterations in Cellular Composition and Cell-Cell Communication

Carnosic acid in rosemary extract may enhance skin repair and promote hair follicle regeneration. It could be used alone or with verteporfin for scarless healing after dermal wounding.

Oleic acid and microneedling are being explored for hair regrowth, but results are mixed. Addressing DHT and fibrosis is crucial, with treatments like finasteride, minoxidil, and scalp massage also discussed.

Fatty acid metabolic signaling can activate epithelial stem cells for hair regeneration. Oleic and palmitoleic acids showed the best results, but practical application on humans remains uncertain.

miR-205, a tiny RNA, can stimulate hair growth by softening aging hair follicle stem cells in mice. Future tests aim to see if this can work in humans.

The user experienced hairline improvement using microneedling once a month with a 12-pin set at 1.5-2.0mm and taking Tru Niagen, alongside a heavily modified diet. They attribute the slow hairline improvement to environmental factors, particularly diet, rather than solely genetic factors.

A 40-year-old male using microneedling, low-level laser therapy (LLT), and rosemary oil for hair regrowth. No finasteride or minoxidil is used.