Estée Lauder Idealist Even Skintone Illuminator This fast-acting serum is proven to dramatically reduce every key sign of uneven skintone: redness, acne marks, dark spots, sun spots and discolorations. Instantly, redness is reduced and skin looks radiant. In a clinical test,62% of women showed a significant improvement in skintone-in just 2 weeks. Over time, skin looks noticeably clearer and brighter, vibrant and more even-toned. Oil-free formula is proven gentle and effective for all ethnicities.