14 citations,
October 2017 in “European Journal of Medical Research” Platelet-rich plasma can help grow more and longer hair by creating new blood vessels.
12 citations,
September 2020 in “Stem cell research & therapy” Adult skin cell-based early-stage skin substitutes improve wound healing and hair growth in mice.
6 citations,
January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
March 2025 in “Frontiers in Pharmacology” The hydrogel dressing rapidly heals wounds and promotes blood clotting better than existing options.
Applying thyroid hormones to the scalp can help hair grow.