Dermalogica Circular Hydration Serum is a lightweight, deeply hydrating serum designed to deliver long-lasting moisture while supporting the skin’s natural hydration cycle. Formulated with advanced hyaluronic acid technology and plant-derived ingredients, it helps replenish moisture, improve skin elasticity, and reduce the appearance of dehydration lines. This fast-absorbing formula works to continuously hydrate the skin from within, leaving it feeling plump, smooth, and visibly more radiant throughout the day.