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This study reported that a scalp serum containing Zanthoxylum ailanthoides extract effectively reduced inflammation and increased melanin production in cell assays, while demonstrating stable formulation and microbial safety, suggesting its potential to address scalp issues and enhance scalp health.

In this study, the methanol-ultrasound extract of Dendropanax morbifera leaf showed potential for use in functional cosmetics and hair growth products due to its high antioxidant capacity and effects on growth factor expression without cytotoxicity.

This review discusses the mechanisms and engineering techniques for enhancing the targeted delivery of extracellular vesicles in therapies but reports no new clinical findings; the authors encourage further exploration to advance clinical applications.

This study found that extracellular vesicles from low-passage dermal papilla cells may activate hair growth by delivering miR-140-5p, which downregulates BMP2 signaling, suggesting potential therapeutic targets for alopecia.

In this study, Rosa multiflora root extracts showed strong antioxidant activity and promoted expression of growth factors IGF1 and PDGFB, suggesting potential use as a natural hair growth agent.