WATER DRENCH SUN SHIELD SPF 45 1.7OZ. Benefits: Non-greasy, cream-to-water SPF 45 sunscreen. Leaves an invisible finish on all skin tones. Key Ingredients: Broad Spectrum SPF 45: water-resistant sunscreens help shield skin from aging UVA/UVB rays. Pentavitin: helps provide up to 72 hours of hydration, even after cleansing*. 30% Hyaluronic Acid Complex: moisturizes and helps keep skin hydrated during sun exposure. Ceramides: help reduce the look of photoaging. 5% SunBoost ATB: helps boost sun protection. Research Results: *In a 28-day study applying a 1% Pentavitin formulation, skin remained hydrated for 72 hours.