Peptide y amafi ni peptide ntoya ya molekile yabonetse hakoreshejwe uburyo bwa enzymatique cyangwa hydrolytique yo kuvura kolagen yakuwe mu mafi.Ugereranije n’amafi gakondo ya kolagen, peptide y amafi afite uburemere buke bwa molekile kandi byoroshye guhumeka, kwinjizwa no gukoreshwa numubiri wumuntu.Ibi bivuze ko peptide y amafi ishobora kwinjira mumaraso byihuse, igatanga intungamubiri kuruhu, amagufwa nizindi ngingo z'umubiri.