Advanced C Radiance Treatment. Benefits: Good For: Dullness, hyperpigmentation, dehydration & dryness. Skin Type: Normal, Combination, Oily, Dry. Daily-use brightening product for uneven skin. Contains proprietary blend of Vitamin C & Retinol. Dermatologist-developed & researched. Key Ingredients: Stabilized Vitamin C (Ascorbic Acid): Used at 10%, this helps lessen the appearance of unwanted pigmentation, sun and dark spots. Retinol: Helps with exfoliation of discolored surface cells. Shea Butter: Provides soothing moisture. Research Results: 96% agreed skin appeared brighter and healthier and skin felt softer after 8 weeks of use. 93% agreed they saw a noticeable reduction of fine lines and improvements in texture, suppleness, and radiance after 8 weeks of use.