Designed for an active lifestyle, this EltaMD SPF 50 UV Sport Sunscreen, 7 Fluid Ounce features a water-resistant design that won't budge for up to 80 minutes even during intense perspiration or watersports. The soothing ingredients help to calm inflammation, while the organic linseed oil keeps skin hydrated and healthy. Reapply every 40 minutes to two hours to maintain SPF coverage.