La Roche-Posay Anthelios UVAir SPF 50 Serum Sunscreen delivers broad-spectrum UVA/UVB protection in a weightless, light-as-air serum that disappears into skin. Supercharged with antioxidants, hyaluronic acid and niacinamide, this daily face sunscreen provides up to 48 hours of hydration while helping smooth skin and promote a more even, radiant-looking complexion. Its breathable, fast-absorbing texture blends invisibly across all skin tones with no white cast, making it ideal for everyday wear alone or under makeup. Key Benefits Broad-Spectrum SPF 50 Protection: Helps protect skin against damaging UVA and UVB rays that can contribute to premature skin aging. Light-as-Air Serum Texture: Weightless, breathable formula absorbs quickly without feeling heavy on skin. Invisible Finish: Blends seamlessly into all skin tones without leaving a white cast. Up to 48-Hour Hydration: Hyaluronic acid and niacinamide help provide immediate and long-lasting hydration. 16-Hour Antioxidant & Anti-Pollution Coverage: Helps defend skin against free radicals and environmental stressors. Helps Even Skin Tone: Niacinamide helps improve the appearance of uneven skin tone while promoting a more radiant complexion. Works Under Makeup: Smooth, fast-absorbing serum texture layers easily underneath makeup. Suitable for Sensitive Skin: Dermatologist tested, allergy tested and formulated for all skin types, including sensitive skin. Non-Comedogenic: Won't clog pores. Fragrance-Free: Also formulated without parabens, oxybenzone or octinoxate.