It's Skin Power 10 Formula VC Effector is brightening serum enriched with Vitamin C & green tea extracts to brighten skin & lighten freckles. Vitamin C has been clinically proven to enhance collagen synthesis, which fills in wrinkles and promotes a fair, healthy complexion. It's Skin Power 10 collection of serums is designed to tackle every skincare problem with a blend of highly effective, nourishing ingredients. All dermatologically tested and suitable for sensitive skin. Free from colorants and alcohols.