The SKIN1004 Hyaltoin Flooding Serum delivers instant cooling, deep hydration, and skin barrier support for sensitive or dehydrated skin. Its formula combines 50,000 ppm Hyaltoin (hyaluronic acid + ectoin) for deep moisture replenishment with 100,000 ppm Glacier Water, providing a refreshing sensation and enhancing long-lasting hydration. Additionally, 5 ceramides (NP, AP, AS, NS, EOP) strengthen the skin barrier, protecting against external aggressors. Key Benefits Instant soothing & cooling: Reduces irritation and heat sensations. Deep, long-lasting hydration: Hyaltoin and Glacier Water deliver intensive moisture. Skin barrier reinforcement: 5 ceramides protect against dryness and environmental stress. Lightweight, fast-absorbing texture: Leaves skin fresh, soft, and cool. Main Ingredients Hyaltoin (50,000 ppm): Combines hyaluronic acid & ectoin for hydration, moisture retention, and barrier protection. Glacier Water (100,000 ppm): Refreshes, hydrates, and boosts hyaluronic acid absorption. 5 Ceramides (NP, AP, AS, NS, EOP): Strengthen and protect the skin barrier, locking in moisture. Ideal For Sensitive, dehydrated, or irritated skin. Skin in need of cooling, hydration, and barrier support. Daily use, morning and night, for healthy, soft, and refreshed skin. Result Skin appears instantly cooler, hydrated, and rejuvenated, with a reinforced barrier and all-day comfort.