Throughout life, the body's cells are subjected to oxidative stress. This refers to the generation of highly reactive molecules known as free radicals. These are ubiquitous in the process of cellular metabolism and can interact with DNA, proteins, and polyunsaturated fatty acids in the body, causing DNA chain breaks and oxidative damage such as lipid metabolism oxidation.
All these alterations are the primary internal causes of ageing and skin dysfunctions. This observation has led to a medical revolution that has emphasised the importance of antioxidants and free radical scavengers in the prevention and management of skin ageing.