The Dermalogica Circular Hydration Serum offers rich hydration to promote supple, more radiant skin. Enriched with an enhanced form of hyaluronic acid, the formula helps to deliver a lit-from-within glow. Combining a blend of polyglutamic acid, plant-derived sugars, amino acids, lactobacillus ferment and avena extract, the innovative serum seeks to retain essential moisture, while refining and balancing the complexion, offering a healthier-looking glow.