Simple Glow+ 10% Vitamins C + E + F Serum is a powerful skin care solution designed to visibly boost your skin's natural glow in just 2 weeks. Powered by SkinTwin* science, this skin-mimicking technology works harmoniously with your skin's biology, mirroring and enhancing its natural processes for visibly radiant and glowing skin. Formulated with 2% vitamin C, a potent antioxidant, this face serum helps neutralise free radicals for brighter skin. Its 1% vitamin E enhances radiance and provides protection from environmental damage, while 7% vitamin F seals in moisture and promotes a plump, luminous complexion. 80% of users agreed their skin looked healthy, 74% experienced instantly smoother and softer skin, and 75% noticed an immediate feeling of hydration**. After using a cleanser, apply our face serum alone, or mix a few drops into your favourite moisturiser for a super-quick vitamin C boost.