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This study demonstrated that a new technology combining microneedle patches, stem cell exosomes, and light therapy effectively promoted hair regrowth in animal models within 7 days compared to conventional treatments.

This review examines hydrogel microneedles for transdermal drug delivery, discussing their applications and challenges but reports no new clinical results.

In a mouse model study, researchers developed a methacrylated hyaluronic acid-based hydrogel microneedle patch co-loaded with finasteride and a carbon monoxide-releasing molecule for androgenetic alopecia, which showed better hair regrowth and safety compared to traditional treatments, offering an innovative approach with minimized systemic side effects.

This study explores the use of bioinspired 3D printed hollow microneedles, which may offer improved delivery of anti-wrinkle formulations, and reviews the current landscape and challenges of existing wrinkle treatments and microneedle technology.