What It Is:A mattifying makeup primer that helps minimize shine and visibly blur pores while prepping and smoothing skin for flawless makeup application. Provides 24-hour hydration.*What It Does:Clarins' New makeup primers address every skin concern: dullness, dark spots, redness or shine. The mattifying Sos primer contains strawberry tree fruit, a plant extract that visibly reduces pores and shine for a fresh and matte complexion. This innovative, 94% skincare formula helps balance the skin's microbiome with Clarins' proprietary Microbiote Complex, a nutrient-rich, mineral-rich blend of marine prebiomes, including seawater, chlorella and laminar extracts plus saffron flower polyphenols, for smooth, radiant, well-balanced skin.Key Ingredients:- Strawberry tree fruit extract promotes a fresh matte complexion.- Sea water, chlorella and laminaria extracts help balance the skin's microbiome.- Saffron flower polyphenols improve skin's resistance to daily aggressors.How To Use It:- As a makeup primer: Achieve a fresh, shine-free complexion and visibly reduce the appearance of pores by applying to clean, moisturized skin. Use alone, use under your foundation or mix a small amount with foundation and blend evenly over your skin.- As a targeted corrector: Apply selectively to enlarged pores, the T-Zone or other shiny areas. Top with a touch of foundation and blend with fingertips.- For multiple concerns: Use several shades at once (a different tone for each problem area) and blend.Clinical Results:After the first application:- 98%: preps skin for makeup application.**- 88%: complexion is mattified.**- 86%: shiny areas are reduced.***Clinical test on 24 volunteers.**Satisfaction test on bare skin with 105 women after 28 days of use.