This oil–free satiny serum from Caudalie is highly concentrated in grapevine sap Viniferine, which is 62 times more effective than vitamin C to improve the appearance of pigmentation, dark spots and to even out the skin tone. Vinoperfect Serum also boosts the skin's radiance and appearance, allowing your skin to be moisturized and luminous. Suitable for all skin types. Caudalie products are not tested on animals.