They are made from an algae base to help instantly hydrate the skin and have a unique electrolyte complex to infuse the skin and restore its natural moisture balance. Depending on the skin these masks contain various botanicals, antioxidants, and herbs. Not to mention these masks all smell incredible. The cooling effect from the Hydrojelly mask is  soothing and calming to the skin. The esthetician will choose which one is right for your skin.