The Clinique iD Hydration Base is the first step to creating a first-of-its-kind custom-blend hydrator. The bottle is exclusively designed to pair with a Clinique iD Active Cartridge so you can customize the way you hydrate and treat your skin.About the Bottle: Its a different design than the standard bottles of Dramatically Different Moisturizers. The mouth has a wider opening and theres extra room inside for the addition of the Cartridge. The standard bottles of Cliniques moisturizers will not work with the Cartridges.Dramatically Different Hydrating Jelly delivers 24-hour hydration repair plus pollution protection. Clean Shield Technology locks in the goodlike moistureand filters out the bad. Strengthens skins moisture barrier and improves resiliency. The unique water-jelly texture feels fresh, penetrates quickly.