Collagen tripeptide (CTP)bụ ihe nhazi kacha nta nke collagen nke a kwadebere site na teknụzụ bioengineering dị elu, ọ bụ tripeptide nwere glycine, proline (ma ọ bụ hydroxyproline) na otu amino acid ọzọ.N'ikwu ya n'ụzọ ọzọ, collagen tripeptide bụ n'ezie iji nkà na ụzụ bioengineering dị elu na-egbochi obere ihe owuwu molekụla n'ime nnukwu mkpụrụ ndụ collagen bara uru na akpụkpọ ahụ.Enwere ike igosi nhazi ya naanị naGly-xy, na nkezi ịdị arọ molekụla ya bụ 280 dalton.Ahụ mmadụ nwere ike itinye ya n'ụzọ zuru oke maka obere arọ molekụla ya.Kedu'Ọzọkwa, ọ nwekwara ike nke ọma banye n'ime stratum corneum, dermis na ntutu mgbọrọgwụ cell.

Collagen tripeptidenwere obere molekụla dị arọ, ma e jiri ya tụnyere nhazi nke collagen akpụkpọ anụ, ahụ mmadụ nwere ike ịmịnye ya ozugbo na-enweghị ire ere, ọnụego nnabata ya karịrị 99%, yana ugboro 36 nke collagen nkịtị.