The Biotherm Blue Therapy Multi-Defender SPF25 offers outdoor protection against the likes of UVB, long UVA and pollution.Forming a defensive shield, the formula wards off harmful environmental factors. Long UVA is said to be responsible for 75% of ageing accelerators and pollution, which the brand’s Broad Outdoor Defence Complex seeks to counteract.Alaria esculenta, a type of reparative algae, helps to minimise the look of inflammation. Life Plankton™, a patented probiotic fraction, works to balance and support the skin. Complete with antioxidant properties and SPF25.Study:Tonicity: +32.6%*Anti-pollution effect: +9%**Density contrast spot: -20.2%***88% find skin texture improved and 76% feels skin firmer*****clinical scoring on 40 women**clinical scoring on 20 women***clinical scoring on 19 women**self-assessments on 100 women