This review reports that oral collagen peptide supplements may improve skin elasticity, hydration, and wrinkle appearance while also supporting hair and nail health and wound healing, but emphasizes the need for longer, high-quality studies due to current research limitations and variability in findings.
This review reports that collagen as a nutraceutical shows promising results for improving skin health in estrogen-deficient women, but more research is needed for scalp hair, nail health, and optimal dosing of curcumin and glutathione.
November 2025 in “Frontiers in Pharmacology” This study observed that both in vitro and in vivo research demonstrated rice bran extract can significantly enhance collagen and elastin synthesis, reduce water loss, and improve skin quality and elasticity, highlighting its potential as a sustainable cosmetic ingredient.
11 citations
,
November 2020 in “Advanced Functional Materials” This study found that a prevascularized collagen fiber space improved hair generation compared to intracutaneous transplantation by providing a better microenvironment for transplanted cells.
March 2026 in “ACS Applied Materials & Interfaces” This study introduced an innovative nanozyme system called MCP@G, which was shown to improve diabetic wound healing in rats by alleviating mitochondrial oxidative stress, enhancing fibroblast migration, and promoting blood vessel and hair follicle regeneration, offering a promising approach for treating challenging diabetic wounds.