This study provides evidence that intralesional platelet-rich plasma therapy leads to significant hair regrowth and increased patient satisfaction in individuals with scalp alopecia areata over 24 weeks, without notable adverse effects.
September 2025 in “medRxiv (Cold Spring Harbor Laboratory)” This study found that applying a topical scalp essence with Centella asiatica extracellular vesicles and growth factors significantly improved scalp health and hair growth compared to a placebo after 56 days.
July 2026 in “Journal of the American Academy of Dermatology”
5 citations
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January 1995 in “Journal of Investigative Dermatology” A trial found that using finasteride, a hair growth drug, can be effectively measured by comparing before and after photos.
6 citations
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February 2024 in “JAAD International” ChatGPT is preferred for creating dermatology patient handouts, but all models can be useful with oversight.