The first Skintone Corrector Serum by Yves Saint Laurent, integrates the exclusive new GlycanactifWT™ Complex and helps to correct the appearance of uneven skintone by acting on dark spots, uniformity, translucency, and radiance. From the 1st dose, skin looks more luminous, its texture refined . In just 7 days, shadows caused by fine lines and enlarged pores appear minimized. Over time, color imperfections (dark spots, redness) look visibly reduced, skintone recovers its clarity and evenness. Healthy-looking skin achieves an exceptional luminosity, as if created from within . For all skin types. Also suitable for sensitive skin.