Immediately hydrating the skin, Dermalogica Circular Hydration Serum replenishes the skin from within, balances the skin\\\'s microbiome, and helps to prevent future dehydration. Benefits of Dermalogica Circular Hydration Serum: Immediately hydrates dehydrated skin. Prevents future dehydration by providing long-lasting hydration. Balances the skin\\\'s microbiome. Formulated with an enhanced form of hyaluronic acid that provides deep hydration, Dermalogica Circular Hydration Serum delivers both immediate and long-lasting hydration. Key ingredients include: Hyaluronic acid and organic Silicium: To penetrate the surface of the skin for deep hydration and a radiant, supple complexion. An algae extract-infused moisturizing matrix: To deliver quick and long-lasting hydration. Polyglutamic acid: To replenish the skin\\\'s hydration reserves from within. Plant-derived sugars and a blend of amino acids: To prevent future dehydration by trapping water on the skin\\\'s surface. Lactobacillus ferment and avena extract: To help balance the skin\\\'s microbiome. Hydrolyzed Rice Protein: To soothe the skin and increase hydration. How to use: Smooth over cleansed face and neck morning and night after toning and before moisturising. Size: 30ml