The present invention relates to the use of a combination comprising collagen, preferably marine collagen or a hydrolyzed form thereof and vitamin B3 for having at least one of the beneficial effects on the skin chosen among attenuating the wrinkles, promoting skin plumping or bouncy state of the skin, promoting skin firmness and smoothness, promoting skin hydration and promoting skin radiance. The present invention further relates to a combination of active agents comprising at least collagen or a hydrolyzed form thereof, vitamin B3 and one Silver Ear extract and an associated cosmetic process.