Minimise the visible signs of ageing with the Pure C Mixing Crystals from CosMedix. Formulated from pure L-Ascorbic Acid, the crystals are the most potent and stable form of Vitamin C. Boasting the ability to nourish the skin without clogging pores, the anti-ageing crystals are powerful antioxidants. The Vitamin crystals help skin by fighting free radicals, which prevent future damage to skin cells. They also work to reverse damage that has already been caused by the sun, including the visible signs of ageing that harmful UV rays can produce. The Vitamin C crystals encourage the development of collagen, which in turn can visibly firm the skin and reduce the appearance of fine lines and wrinkles in order to deliver a youthful appearance. Gluten Free. Free from Petroleum-based oils.