Eucerin Even Pigment Perfector Day SPF 30 contains Thiamidol, an effective and patented ingredient that acts at the root cause of hyperpigmentation by reducing melanin production. It is clinically and dermatologically proven to reduce dark spots and prevent their re-appearance. First results are visible after two weeks and improve continuously with regular use.With UVA and UVB filters (SPF 30) the moisturizing day cream offers effective protection from the sun and reduces the chances of skin developing sun-induced pigment spots. Skin appears even and radiant.