This professional-grade formula features 15% L-Ascorbic Acid (Vitamin C) as its cornerstone ingredient, delivering powerful antioxidant protection while brightening skin and supporting collagen synthesis. The formula is enhanced by Ferulic Acid, which amplifies the stability and effectiveness of Vitamin C, while Vitamin E (Tocopherol) provides additional antioxidant benefits and moisturising properties. This dermatologist-tested serum delivers professional-strength results through its carefully stabilised Vitamin C formulation.