More than just a primer, SOS Primer White provides the skin with protection, 24-hour hydration and targeted care action to treat skin concerns at their origins, to make skin more beautiful, even when bare!SOS Primer White boosts brightness and radiance for a glowing complexion. It makes make-up application easier and ensures a better hold, as well as taking care of your skin. This primer is made up of 94% skincare ingredients and 78% ingredients of natural origin. A plant-rich formula: Edelweiss extract (antioxidant) boosts the complexion's radiance and brightness. Pollution, an unhealthy lifestyle (fatty foods, tobacco, alcohol), stress and lack of sleep can cause oxidative stress: the complexion is duller.Clarins Laboratories have chosen organic Edelweiss extract, a highly effective antioxidant.Its secret? To maintain the balance of the skin flora, day to day, application after application, Clarins Research has developed the microbiota complex, made with two marine-based ingredients