One of our favourite vitamins for the way it transforms skin. skinstitut Vitamin C 100% is L-Ascorbic Acid at its purest and most powerful. Below the surface, it’s busy kickstarting collagen to firm and tighten while skin tone and radiance improves before your eyes. A great and effective way to refresh your skin between seasons.WHY WE LOVE IT L-Ascorbic Acid at 100% purity and concentration A powerful antioxidant, it protects skin against free-radical damage Can be mixed into some of your skinstitut favourites (see suggestions below) to boost their effects A proven glow giver