Uk’s #1 Brightening Serum - Now Enhanced: Our clinical-strength 4% formula now features Melasyl, a patented active designed to target dark Spots & Discolouration. Combined with Vitamin C*, Niacinamide, and Salicylic Acid for visible results in just 3 days Triple-Action Derm Ingredients: Vitamin C* for high-intensity glow; Niacinamide to soothe and even skin tone and Salicylic Acid to gently resurface. A non-sticky, water-light finish that mirrors the "Glass Skin" trend Clinical Dark Spot Reduction: 97% agree dark spots are visibly reduced. Clinically proven to target all types of spots and discoloration in 2 weeks. Specifically tested on all skin tones to ensure inclusive, effective brightening Fast-Absorbing & Non-Greasy: This lightweight, oily-free liquid sinks in instantly without residue. Perfect for layering under SPF or makeup, providing a glowing base without the stickiness of traditional serums Leaping Bunny Approved & Vegan: Officially approved by Cruelty Free International. No animal-derived ingredients. Pair with our Vitamin C Daily UV Fluid for the ultimate 2-step expert brightening routine