Unused, unopened! Formulated with 100% L-Ascorbic Acid, these Vitamin C Mixing Crystals help maintain the skin's flexibility and improve elasticity. This dry, powdered form of pure Vitamin C helps to neutralize free radicals, reduce the appearance of fine lines and wrinkles and improve skin texture and tone when paired with other products. The crystallized formula boosts the results of other serums or moisturizers—creating the perfect skincare cocktail for a brighter, younger-looking complexion.