This collagen-protecting and brightening serum features our highest concentration of ultra-stable vitamin C and tri-peptides to brighten, diminish the look of dark spots and visibly firm skin. Spa-grade serum powered by the most effective, non-irritating form of vitamin C. Collagen-protecting duo works synergistically to visibly boost skin’s natural elasticity and defend from future free radical damage. Layers perfectly under moisturizer and makeup. Cruelty-Free. Vegan. Made in USA To use: Massage onto clean, dry skin morning and night. Avoid eye area. Follow with Bright Idea Moisturizer if desired. Keep in a cool, dry place out of direct sunlight.