I-Collagen iyiphrotheni ebalulekile ehlinzeka ngesakhiwo nokusekelwa ezingxenyeni ezihlukahlukene zomzimba, kuhlanganise nesikhumba, amathambo, imisipha, nemigqa.Njengoba sikhula, ukukhiqizwa kwe-collagen kuncipha, okuholela emibimbi, isikhumba esintekenteke, nokuqina kwamalunga.