The first fast-acting Serum from Estée Lauder Research proven to dramatically reduce the look of uneven skintone: redness acne marks dark spots sun spots discolorations Instantly: redness is reduced, skin looks fresh and radiant. In just 2 weeks: 62% of women showed a significant improvement in skintone in a clinical test. Over time: skin looks noticeably clearer and brighter, vibrant and more even-toned. This intensive, yet gentle oil-free serum features powerful technologies to address the look of every key sign of uneven skintone: Triple-Optic Technology provides skin with a brighter, more luminous look from the very first application. CorrectTone Technology visibly reduces uneven skintone in 2 weeks, while anti-oxidants help prevent its re-appearance. Imagine skin so incredibly clear, even-toned and radiant, you have nothing to hide. Proven gentle and effective for all ethnicities.