Everything you ever wanted to know about wrinkles odious ... and how to combat With age, collagen and elastin fibers that keep skin firm, enter into a process of weakening. Thus, the skin is loose and lax, becoming thinner and losing fat, it seems smoother and less formed. But also, as these changes occur, the severity of the same weight of the sagging skin also does his part; pulling it and making it yield even more. (more...)