Concentrated vitamin C serum, containing pure vitamin C (Ascorbic Acid, 13%) to improve overall skin texture, tone and natural radiance. Pure Vitamin C enriched serum which has the secret of actress's crystal glow skin . VVIP secret well known to famous actresses as [One bottle ampoule] . Nobel prize awarded Fullerences ingredient protects vitamin C. The synerge of nature derived extract gives all in one skin care How to use : After face wash, use toner then apply appropriate amount. You can use it with nutrition cream for a better effect.