Applicable skin: all skin types Product efficacy: Rejuvenation, lightening of spots Product features: We all know that vitamin C is a good thing for the skin, but how to turn it on correctly? This powerful facial serum contains two forms of vitamin C to provide longer-lasting nutrition and visibly reduce the appearance of fine lines and wrinkles. Vitamin C’s spot-brightening effect is even more powerful. It can fade sun spots and tighten sagging skin. Makes skin smoother, more elastic, even and shiny.