This retinol serum boasts a collagen-boosting formula with 0.3% pure retinol to help reduce fine lines and wrinkles while improving skin texture. Its powerful brightening effect comes from the Kakadu Plum, which contains 55 times more Vitamin C than oranges. The serum also protects the skin from harmful environmental factors like pollution, enhancing skin resilience and radiance. Pentavitin provides long-lasting hydration for up to 72 hours, keeping skin moisturized and plump. With a 97% natural formulation, this Sienna X retinol serum offers a clean and effective skincare solution for the face, neck, hands, and feet. This 20ml serum focuses on skin repair and reducing fine lines with its 0.3% retinol concentration.