Indeed laboratories strongest vitamin c serum works daily to visibly reduce and prevent hyperpigmentation, uneven tone, and fine lines caused by environmental damage. Vitamin c24 gets its name from its percentages, combining 22% pure vitamin c ascorbic acid with 2% hyaluronic acid microspheres for maximum brightening and firming results. This cream serum formula remains completely stable due to the absence of water and delivers a smooth, mattifying finish. Benefits ideal for ageing skin and hyperpigmentation reduces the appearance of premature ageing hyperpigmentation, fine lines, and wrinkles brightens skin tone restores skin to a youthful, glowing appearance provides powerful protection against free radical damage vegan gluten free talc free to use apply a pea sized amount to a cleansed face and neck in the am and pm. Follow with a broad spectrum sunscreen each am. Use daily for optimal results. Note you may notice a delicate grainy texture of the formula due to the powdered vitamin c. If desired, this formula can be diluted with vitamin c brightening drops prior to application for a silkier texture, added hydration, and to allow the skin to build tolerance over time.