Ultimate UV Defence to make our ultimate sunscreen, we use the highest level of sun protection: SPF 50+ PA++++, to prevent sun-induced premature signs of skin ageing. DNA Repair Enzymes Encapsulated photolyase, a light-activated DNA repair enzyme, helps to support the skin's natural repair mechanisms after exposure to UV. Medik8's Most Advanced Environmental Shield Providing skin with the ultimate environmental defence, the sunscreen features protection from blue light, infrared light, glycation and pollution. All Year Round. Advanced Day Ultimate Protect offers resilient protection in every situation, season or location. Ultimate protection in the hottest summer sun, nourishing on the skin in the coldest winter. It is designed to be a mainstay in your skincare routine, 365 days a year. Daily Hydration Infused with nourishing squalane and hydrating multi-weight hyaluronic acid to deliver daily moisture to the complexion.