M·A·C Studio Finish Concealer Duo. A professional duo of two complementary corrector shades for customized skincare correction. Create your ideal skin tone in pairs of blendable shades in four new colour combinations: Light, Medium, Deep Medium and Dark. Fortified with shea butter and vitamins E and C, the correcting formula evens skin tone and visibly reduces the appearance of lines and wrinkles for up to eight hours. Shop At House Of Fraser