ANTIOXIDANTS
Free radicals from UV rays and pollution can accelerate the breakdown of collagen. Antioxidants such as vitamin C help to clear out the free radicals and protect collagen from damage. Niacinamide, a B vitamin that acts as an antioxidant, also works to rebuild damaged cells. How to use it: Rodney recommends applying a vitamin C serum every morning. Try this: La RochePosay Pure Vitamin C10 Serum £30