iD: Dramatically Different Hydrating Jelly + Active Cartridge Concentrate for Fatigue delivers 24-hour hydration repair plus pollution protection. Clean Shield Technology™ locks in the good - like moisture - and filters out the bad. Strengthens skin's moisture barrier and improves resiliency. Unique water-jelly texture feels fresh, penetrates quickly. Concentrated actives in the cartridge energize and boost glow, helping to revive tired, dull-looking skin.