Research Literacy
Cosmetic Signal Peptides: Reading the Argireline and KTTKS Literature
A reference for laboratory teams on two short cosmetic-ingredient peptides: acetyl hexapeptide-8 (marketed as Argireline) and the collagen-derived pentapeptide KTTKS. It covers nomenclature, how they were first described, what penetration and analytical studies measured, and why concentrations across papers differ.







