Many beauticians and dermatologists suggest using Vitamin C Serum, have you ever wondered why? Everyone wants to attain and maintain a healthy skin that glows naturally. There are a few products that you can use everyday for it, one product is vitamin C serum. You can have vitamin C and apply it to get maximum benefits, like protecting skin cells from free radicals, lighten spots, get an even skin tone, and improve its radiance. When one massage a vitamin C serum on face, it penetrates into the skin, stimulate production of collagen, and heal skin damage. The next answer to why it comes in serum form is that it has light texture and absorbs quickly into the skin.