233 citations
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February 2018 in “Polymers” This review examines the roles and benefits of chitosan in cosmetics and oral hygiene, highlighting its potential in the cosmeceutical market, but it reports no new results.
April 2026 in “Advanced Healthcare Materials” In this study, researchers tested detachable microneedles with chitin derivatives in a mouse model of androgenic alopecia, finding them to induce greater hair regrowth than 5% minoxidil, while also positing these materials as safe and cost-effective alternatives for hair loss treatment.
8 citations
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January 2021 in “Smart materials in medicine” This study found that a newly constructed composite hydrogel dressing, made from silk fibroin, chitosan, and halloysite, promoted hair follicle neogenesis, angiogenesis tissue regeneration, and scar reduction.
30 citations
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December 2018 in “International Journal of Biological Macromolecules” This study found that chitosan and surface-deacetylated chitin nanofibrils promoted hair growth in mice and increased fibroblast growth factor-7 production in human follicle dermal papilla cells.
September 2025 in “Drug Design Development and Therapy” This study suggests that while platelet-rich products show promise in treating dermatological conditions like chronic wounds and skin aging, there is still a need for standardized methodologies and extensive trials to confirm their long-term clinical benefits.