Advanced Anti-Pollution Booster: Shield Your Skin from Modern Stressors.This advanced anti-pollution and antioxidant concentrated booster is clinically proven to defend your skin against the damaging effects of pollution and free radicals. It offers exceptional protection, safeguarding your skin against 98% of airborne particulate matter (PM) and up to 97.7% of free radicals.Recognised as the first clinically-proven product of its kind, it provides comprehensive protection against specific indoor and outdoor pollutants. This includes heavy metals like Nickel and Iron, Ozone, and fine particulate matter (PM 1m), alongside various aggressive free radicals such as Singlet Oxygen, Peroxyl, Hydroxyl, and Halogenated Free Radicals.As a key part of the CityLife range, this booster is clinically proven to protect the skin against the visible signs of premature ageing.To use: Mix with your usual moisturiser before applying.