Eucerin Even Pigment Perfector Skin Perfecting Serum is a hyperpigmentation serum with Thiamidol, an effective and patented ingredient that acts at the root cause of hyperpigmentation is clinically proven to reduce hyperpigmentation, preventing its re-appearance with regular usage. 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 hyperpigmentation. Hyperpigmentation appears as dark patches and age spots (also known as sun spots) that make skin look uneven. Eucerin Even Pigment Perfector Skin Perfecting Serum combines powerful active ingredients that work in different ways to promote your skin's radiance and reduce hyperpigmentation at the source. Thiamidol, patented to Eucerin is an effective ingredient that acts at the root cause of hyperpigmentation is clinically proven to reduce hyperpigmentation, preventing its reappearance with regular usage. Hyaluronic Acid is one of our skin's most effective moisturising substances that helps skin to attract and retain moisture, while glycerin is a humectant which also helps our skin to attract and retain water, giving long-lasting moisturisation and care. Together, these ingredients ensure your skin can have the hydration and moisture it needs to achieve a beautiful glow. Crystal technology ensures an ultralight texture that's suitable for all skin types and can be added to any skincare routine. It absorbs quickly and leaves skin with a smooth feeling. The serum is clinically and dermatologically proven to reduce pigment spots and prevent their reappearance while giving your skin more radiance. First results are visible after two weeks and improve continuously with regular use. Skin is smooth and looks even, refined and with a natural radiant glow.