No7 Radiance+ 15% Vitamin C Serum helps skin look brighter. This face serum is formulated with 15% Vitamin C. Experience healthy-looking and brighter-looking skin. For best results, use the full No7 Radiance+ range. After cleansing, apply vitamin C face serum evenly over the face, then apply moisturizer. No7 is the UK’s best-kept beauty secret with over 85 years of trusted expertise — exceptional beauty shouldn’t be a luxury. (Claims based on consumer study on UK women over 4 weeks).