Calypso Once a Day pocket size sunscreen sachets ensure you always have sun protection to hand. The non-greasy and water resistant formula protects from harmful UVA and UVB rays. When used correctly, one application is suitable for all day protection. These handy sachets are ideal for when you’re on the go as they fit perfectly in your handbag. They are active after 15 minutes and each sachet is 35ml which is the ideal amount of sunscreen to use for adults. Follow the directions on the packaging to ensure you are adequately protected.