Use a high dose to resolve dark pigmentation from skin troubles to freckles/blemishes. Use with complete confidence as the anti-oxidant effect lasts for 30 hours. Pure Vitamin C (Ascorbic Acid) is a high-strength cream that revitalizes the skin. We selected & blended ingredients that can produce a synergistic effect with vitamin C. This is a vitamin C cream that does not irritate acne-prone skin.