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How can free radicals damage our skin? Free radicals contribute to the skin’s ageing process by damaging lipids, proteins and nucleic acids in our skin. Free radicals also cause inflammation, reduce collagen and elastin production and increase collagen and elastin breakdown in the skin. In addition, free radicals also play a role in skin cancer.
How important are antioxidants in the fight against skin ageing? They play a significant role. There are a variety of mechanisms involved in skin ageing including shortening of DNA telomeres, mutations in mitochondrial DNA with subsequent mitochondrial dysfunction, formation of advanced glycation end products (AGEs) and last but not least free radical damage of lipids, proteins and nucleic acids in our skin.
Where are antioxidants present? Antioxidants are present everywhere in our bodies. The skin also contains a variety of different antioxidants. Antioxidants can be divided into enzymatic antioxidants such as glutathione and low-molecular-weight antioxidants such as vitamin C, vitamin E and ergothioneine. Both types of antioxidants are present in our skin.