SUPERSTART renewal booster 1.7 50 ml SUPERSTART renewal booster 1.7 50 ml is a lightweight, anti-aging serum that helps to reduce the look of wrinkles, fine lines, and other signs of aging. It is formulated with probiotics, prebiotics, and a patented antioxidant complex to help protect skin from environmental stressors and free radicals. It also helps to even skin tone, boost skin hydration, and improve overall skin texture.