An acid free vitamin C skin care treatment is well tolerated by all types and conditions. It is a fast acting, high potency formula. Vitamin C skin care rebuilds weak tissue and helps reduce incidence of hyperpigmentation. This process stimulates hyaluronic acid formation; which is the skin's own moisture. It stimulates protein proliferation in dermis; softens and adds resiliency It is also compatible with acids and retinoids. . It is not recommended for infants, pregnant or nursing mothers. Vitamin C skin care products are fragrance free and paraben free.