A lipidated pentapeptide consisting of a fragment of the type I collagen C-terminal propeptide conjugated to palmitic acid; increases collagen production in human corneal and dermal fibroblasts at 0.002, 0.004, and 0.008 wt%; found in the stratum corneum, epidermis, and dermis of isolated hairless mouse skin following topical administration at 50 μg/cm2; can self-assemble into flat tapes and extended fibrillar structures; has been detected in anti-wrinkle creams