Turbo Booster C 99.8% Topical Vitamin C Powder - TURBO BOOSTER C POWDER 0.3OZBenefitsTurbo Booster C Powder is a 99.8% high-potency topical, vitamin C powder that helps prevent premature aging by acting as an antioxidant and promoting collagen synthesis, which helps improve the skin's overall tone and textureMix in the palm of your hand with any of your favorite Philosophy products to instantly convert them into a state-of-the-art vitamin C formula-Philosophy Turbo Booster C Powder - .25oz