Our brightening serum contains glutathione, kojic acid and vitamin E. It can make the skin brighter and more radiant secrets, strong brightening ingredients, even out skin tone, reduce dark spots and stains, leaving a glowing skin tone. Its application is simple: clean and wash your face, keep your face dry, squeeze two to three drops of serum directly on your face, apply evenly in circles, and massage until absorbed. And can be firm and moisturizing.