Brand from Japan: Rohto Mentholatum. Vitamin C acts as a potent antioxidant, neutralizing the effects of free oxygen radicals. By minimizing this damage and stimulating the formation of collagen and elastin, Vitamin C restores skin's vitality and youthfulness. Dermacept Vitamin C Serum Gel contains selected Vitamin C and Vitamin C derivatives which takes care of pores, skin texture,firmness, dullness and dryness. This serum gel formulated by special moisturizing ingredient combination which promotes penetration of Vitamin C. Contains selected Vitamin C and Vitamin C derivatives which takes care of pores, skin texture, firmness, dullness and dryness. How to use Apply morning and night after Vitamin C Serum. Place appropriate amount on palm and gently apply over face, especially to dark or dry areas.