Eucerin Even Pigment Perfector Dual Serum. This innovative serum targets hyperpigmentation, dark spots, and uneven tone caused by sun exposure, aging, acne, or hormonal changes. Powered by Thiamidol, a patented ingredient proven to reduce melanin production from day one, it delivers visible spot reduction in as little as 2 weeks. The lightweight, non-greasy formula also contains Hyaluronic Acid to hydrate, smooth fine lines, and improve skin firmness for a radiant, refined complexion. Clinically and dermatologically proven to be effective on all skin types and tones, this dual-action serum is a must-have for any pigmentation skincare routine. With consistent use, 98% of users reported spot reduction and improved skin clarity.