Palmitoyl tripeptide-1, nke a makwaara dị ka pal-GHK, bụ peptide sịntetị nke nwere usoro kemịkalụ C16H32N6O5.Ọ bụ ụdị peptide GHK gbanwetụrụ, nke na-apụta n'ụdị anụ ahụ anyị.Emepụtara peptide a gbanwere iji kwalite mmepụta nke collagen na protein ndị ọzọ dị mkpa iji kwalite ahụike na ọdịdị anụ ahụ zuru oke.
Nkọwa bụ isi nke ngwaahịa a bụ na ọ na-akpali mmepụta nke collagen.Collagen bụ protein dị mkpa na-ahụ maka idowe nhazi na nkwụsi ike nke akpụkpọ ahụ.Otú ọ dị, ka anyị na-aka nká, mmepụta nke collagen nke ahụ anyị na-ebelata, na-eduga n'ọdịdị nke wrinkles, akpụkpọ ahụ na-ada mbà, na ihe ịrịba ama ndị ọzọ nke ịka nká.Palmitoyl Tripeptide-1 na-agwa nke a nke ọma site n'igosipụta fibroblasts dị na akpụkpọ ahụ iji mepụtakwuo collagen.Nke a na-enye aka weghachite nkwụ na nkwụsi ike nke akpụkpọ ahụ, na-ebelata ihe ịrịba ama a na-ahụ anya nke ịka nká na ịkwalite ọdịdị ntorobịa.