Riemann P20 Sun cream/lotion for Kids (+1 yr) SPF50+. All day long, Once a day, Hydrating, Absorbs Fast, Long lasting, 5*UVA & UVB, protects up to 10hrs, water resistant 3hrs, no Octocrylene.

Amazon

Sun cream developed for children's sensitive skin Sun protection factor 50+ 4*UVA protection Durable for up to 10 hours Highly water resistant for up to 3 hours

Boots

57 Advantage card points. P20 KIDS SPF50+ 100ML FREE Delivery on orders over 45 GBP.