The present invention generally features novel cosmetic skin and hair care compositions for enhancing the appearance of eyelashes and eyebrows. Specifically, the topical skin and hair care compositions of the invention contain a concentration of at least one of pentapeptide-17 tetrapeptide-12 that provide for thicker, longer and more voluminous appearing eyelashes and eyebrows. The cosmetic formulations of the invention may further include cosmetically acceptable vehicle(s) and/or other skin and hair conditioning agents.
