No7 Pure Retinol 1% Retinol Night Concentrate Serum contains clinically-proven retinol, which accelerates surface skin renewal. This retinol product is formulated with MATRIXYL 3000 PLUS™, No7's next generation age-defying collagen peptide-based technology and 1% pure retinol. It also includes a retinol soother with niacinamide and bisabolol and a retinol optimizer encapsulation system for enhanced delivery of the pure retinol for face. In a consumer study of UK women over 8 weeks, 83% felt their skin looked younger. No7 is the UK’s best-kept beauty secret with over 85 years of trusted expertise — exceptional beauty shouldn’t be a luxury.