Lovrén Corrector Tone 1 Medium is a concealer with a natural finish and fluid texture. It is modular, thus allowing coverage to be increased according to need. It helps to correct minor imperfections. Vegan product. Apply Lovrén Concealer Shade 1 Medium in small dabs around the eye contour and on areas to be touched up to conceal shadows and imperfections. Blend by gently tapping with your fingertips.