HA of different molecular weights evenly dispersed in oil as microspheres. When the microspheres break, HA is released to penetrate the skin quickly, replenish and lock in water, and leave skin moist and smooth. INCI: Sodium Hyaluronate, Hydrogenated Castor Oil, Ricinus Communis (Castor) Seed Oil. Recommended use level: 0.1%-2%.