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Niacinamide improves the skin barrier, reduces hyperpigmentation, regulates sebum production and increases elasticity, contributing to firmer, more hydrated and luminous skin

These effects are real but work at a systemic level rather than targeting specific injury sites

J Basic Clin Pharm

Consequently, a cellular component-dependent targeting peptide modification approach might offer a moderate and reliable method for the improvement of cosmetic peptides

Heres how it supports the scalp and hair follicles: Copper Delivery Copper is a trace mineral essential for various enzymatic functions, including the production of collagen and elastin

PMID 25024695