Experience next-level hydration with OSKIA’s Isotonic Hydra-Serum, an advanced, lightweight formula engineered to deliver optimal moisture balance and skin resilience. Powered by a Biomimetic Hydra-Complex and 16 carefully selected actives, it works to attract, retain and regulate hydration while supporting the skin barrier. Glacier water, glycerin, hyaluronic acid and polyglutamic acid provide multi-layered moisture for a plumped, supple finish. Pro-Vitamin B5 and oat ceramides reinforce and protect, helping to reduce dryness and soften the appearance of fine lines. The result is skin that feels stronger, smoother and visibly revitalised. Key Benefits Delivers intense, multi-level hydration with hyaluronic and polyglutamic acids. Supports moisture balance with a Biomimetic Hydra-Complex. Helps reduce the appearance of fine lines and dehydration. Strengthens the skin barrier with Pro-Vitamin B5 and oat ceramides. Lightweight texture leaves skin supple, smooth and invigorated.