By Wishtrend Pure Vitamin C 21.5% Advanced SerumDETAILS 30ml All Skin Types Made in Korea This high concentration vitamin ampoule is made with 70% Vitamin Tree Water and 21. 5% Pure Vitamin C to deliver the concentrated effects of vitamin C to the skin. The serum removes dead skin cells to even out the skin tone and brighten the complexion. HOW TO USE 1) After cleansing, prep the skin with the toner. 2) Dispense 1 2 drops of the vitamin serum on hands and apply over dull areas that lack elasticity.