The Institut Vitamin C 100% 10g is formulated with 100% L-Ascorbic Acid at its most powerful and purest form, helping to moisturise the skin and deliver an illuminating glow. The antioxidant-rich formula offers versatility within your skincare routine, acting as a booster to your creams and serums to help amplify the effects. As one of the brand’s best-selling products, the booster helps to protect, balance and nourish the skin.