Natura Bisse Diamond White Serum 1.7oz, 50ml Natura Bisse Diamond White Serum has the following features: An innovative, effective, triple-action brightening serum that works from the surface layers, where the spot is visible, down to the inside of the melanocyte. Renews, illuminates and depigments skin with a combination of powerful active ingredients that 40% of its formula. Regulates melanin production, visibly lightening dark spots and giving skin an even tone. Polishes the surface of your skin, fading the visible appearance of dark spots with a concentration of 18% glycolic acid. Regulates melanin production, fading existing dark spots and preventing the formation of new spots with the combination (10%) of melanoreductyl peptide and phytic, dioic and maslinic acids. Lightens existing dark spots, giving skin a more even tone with hydrogen peroxide (12%).