Clarins SOS Matifying Primer 30ml Not just a Primer. SOS Primers combine skin care with instant colour correction. The formula improves make-up hold, delivers 24-hour hydration and nourishes & balances skin. Skin type: Combination, Dry, Normal, Oily Texture: Fluid Use: Apply in the morning, by itself for a naturally flawless finish or before applying make-up. Benefits Targeted skin care in each primer Improves make-up hold 24-hour hydration Instant colour correction Nourish & balance skin