research Hyaluronic Acid Microneedles Loaded with Chinese Herbal Extracts as an Intradermal Delivery System for Hair Regeneration
This study developed microneedles loaded with Platycladus orientalis leaf extract to treat androgenic alopecia, finding that they can effectively deliver active ingredients into the dermis, promote hair follicle growth by removing free radicals, and activate the Wnt/β-catenin pathway.



