Melanin is a natural pigment that gives colour to skin. Exposure to sunlight, hormonal influences and ageing can cause an increase in melanin production and trigger dark marks and dark spots that make skin look uneven. Eucerin Even Pigment Perfector Dual Serum brings together two serums that work in different ways: (1) Thiamidol®: an effective and patented ingredient that acts at the root cause of dark spots is clinically proven to reduce dark marks, preventing their re-appearance with regular usage (2) Concentrated Hyaluronic Acid: one of skin’s most effective moisturising substances helps skin to attract and retain moisture The light emulsion is clinically and dermatologically proven to reduce dark spots and prevent their re-appearance while renewing skin’s look. First results are visible from two weeks and improve continuously with regular use. Skin is smooth and looks renewed, even and radiant.  Effectively reduces dark marks and prevents their re-appearance, with regular use