Vitamin C and its derivatives in maintaining the good skin condition

Vitamin C is one of the most important and necessary nutrient for human health, which has great potential as cosmeceutic, which protects health and the skin good condition. Thru the collagen biosynthesis stimulation it affects to the physiology of human skin, participating in the hydroxylation process of proline and lysine, and participates in tissue reconstruction while wound healing. Deficiency of vitamin C causes irregularities in the blood vessels functioning, epidermis and dermis. Is an effective antioxidant neutralizing free radicals, prevents inflammatory and carcinogenic processes. The epidermis and dermis are most exposed to free radicals from the external environment and from the inside of the body. In inflammatory diseases of the skin, such as atopic dermatitis, psoriasis, in the proper skin the levels of vitamin C are reduced. Therefore, delivering it to the skin using cosmetic preparations is important not only for cosmetic, but also health effect. The problem associated with the introduction of vitamin C in cosmetics is its limited penetration through the stratum corneum. Current studies are focused on searching for stable compounds of ascorbic acid and new media, which will allow for better way of delivery of ascorbic acid to the dermis in the future.