skinbetter science Alto Defense Serum™
with Aesthetic Source
Alto Defense Serum™ by skinbetter science offers daily, comprehensive antioxidant protection to combat the visible signs of ageing caused by environmental stressors, including blue light, pollution, and UV exposure. This scientifically advanced, award-winning serum features a potent blend of 19 antioxidants—including Vitamins C and E—to neutralise free radicals and defend skin at every level.