Definition: Free radicals are molecules that have gained electrons from atoms, releasing their energy into the surroundings as a result of being oxidized (i.e., increased in oxidation state). These free radicals are often associated with oxidative stress in the body and can damage cells, including those related to skin health. Free radicals can cause damage to skin by releasing oxygen, causing it to be damaged. This is because free radicals produce reactive oxygen species, which can lead to collagen breakdown and other cell damage. Definition: Free radicals refer to molecules that have gained electrons from atoms and released their energy as a result of being oxidized or reduced in their oxidation state, such as adding an electron to the nucleus. The term 'free radical' refers to any molecule with one or more electrons added to its atom. Free radicals can be considered non-reactive because they do not participate in chemical reactions that would cause them to react with other substances. In the context of skin health, free radicals play a role in the body's defense against oxidative stress caused by environmental pollutants and exposure to UV light. They are responsible for some of the most significant forms of premature aging in the skin, including fine lines and wrinkles due to damage from free radical reactions. Free radicals can also contribute to the formation of melanin (a pigment that protects the skin) and have been linked with several diseases such as cancer. To prevent or reduce the effects of oxidative stress on skin, it's essential to maintain a healthy diet, limit exposure to environmental pollutants, and apply sunscreen regularly to protect against free radical damage.
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