riemann p20 once a day sun protection spray spf 15 provides 10 hours protection from one application and is very water resistant even after swimming frequently throughout the day. its clear, lightweight consistency ensures a silky and even coverage. active 15 minutes after application, it\'s quickly absorbed, non sticky and leaves no white marks. thanks to its long-lasting uva and uvb filters, it helps protect against burning and its once a day formula is colour and paraben-free, with no added fragrance or preservatives. great for all the family, including the children whether you\'re lazing by the pool on holiday, outdoors playing sports, or just enjoying the garden at home. perfect under make-up or moisturiser and for men with a thinning scalp.,once a day application ,10 hours protection ,water resistant