That because i like to use is Juvarelle Serum separate vitamin C because you are going to get more benefit of using a specific vitamin C product but again this is kind of like your allinone if you wanted to go that route it just gives your skin everything that it needs for antiaging so I love this product again it's going to help firm up Juvarelle Serum Juvarelle skin is going to help with lines and wrinkles going to help with Juvarelle Serum clarity