iUNIK Beta-Glucan Barrier Sunscreen SPF 50+ PA++++ is a lightweight chemical sunscreen that provides broad-spectrum UVA and UVB protection while keeping skin hydrated and comfortable. Its serum-like texture absorbs quickly with a non-greasy finish and leaves no white cast, making it ideal for daily wear under makeup or alone. Enriched with Beta-Glucan, GreenDiol, and peptides, it helps strengthen the skin barrier, boost hydration, and support firmer, healthier-looking skin. Perfect for dry and aging skin.