About Product Calms, brightens, and strengthens skin barrier. Water-based ampoule penetrates deep into the skin for better results. Glutathione for brightening tired, dull skin for a fresh and healthy look. Glutathione is a naturally occurring protein that protects cells from free radicals and repair damaged ones. Brightening and antioxidant effects are 100x stronger than vitamin C. How to Use Use daily. Pat a few drops into skin after cleansing, toner, and before moisturiser. Key Ingredients Niacinamide,Trehalose, Glutathione (10ppm), Yeast beta-glucan ,Triple M Complex, Copper Tripeptide-1, Acetylhexapeptide-8, Nonapeptide-1 Produced by Cellicon Lab, Korea's leading peptide research instituition. 30ml Made in Korea