What It Is Breakthrough bi-phase glow-boosting serum with Vitamin C + AHA to instantly brighten, even tone + smooth texture. Refine pores in 28 days. What It Does: Shake to activate oil-soluble Stabilized Vitamin C + water-soluble Glycolic Acid (AHA) - incompatible actives separated to protect potency. Lightweight micro-pearl serum provides 24H hydration, exfoliates, brightens, evens tone, and refines skin texture for a clinically proven +45% boosted glow. Key Ingredients: • Stabilized Vitamin C: Visibly smoothes fine lines and wrinkles, brightens, and evens complexion • Glycolic Acid (AHA): Exfoliates, refines texture, evens complexion, and boosts radiance • Acerola Seed: Vitamin C-rich extract energizes, boosts glow, and evens tone Benefits: • Exfoliates and refines texture • Visibly brightens instantly to boost skin's glow • Visibly minimizes pores • Evens skin tone • Targets first signs of fine lines • 24H hydration CLINICALLY PROVEN: 24H hydration INSTANTLY +30% smoother +27% brighter skin +21% more even skin tone AFTER 28 DAYS +45% brighter skin -17% refined pores Hydration kinetics, 30 women, after 24 hours Clinical score, 32 women, visible results immediately after application Clinical score, 30 women, visible results after 28 days HOW TO APPLY MULTI-ACTIVE GLOW SERUM USING CLARINS’ EXCLUSIVE DRAINING PRESSURE APPLICATION METHOD: 1. Shake once to combine Vitamin C with AHA layers; shake before each use to refresh and re-blend 2. Smooth over clean face and neck each morning and/or night. 3. Apply with gentle press-and-release movements, avoiding the eye contour area. 4. Work downward, over neck and décolleté. THE COMPLETE MULTI-ACTIVE ROUTINE: 1) Double Serum Eye 2) Multi-Active Glow Serum 3) Multi-Active Day Cream or Multi-Active Night Cream Imported