Piz buin allergy lotion spf 15 medium protection has specially been developed with dermatologists to protect sun sensitive skin piz buin allergy lotion combines advanced uvauvb sun filters and calmanelle a unique shield complex proven to help strengthen skins resilience formualated with a powerful anti oxidant calmanelle reinforces cell defence against uv rays and helps increase skin cell tolerance to the sun the lotion provides hours of moisturisation to soothe the skin and help prevent