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The skin can effectively reveal nutritional deficiencies. Thus, essential nutrients, both external as well as internal (varied diet) are crucial to effectively enhance its shape.
Evidence indicates that a well-balanced diet can significantly affect the skin aging process. Substances that protect and restore the epidermal barrier, reduces transepidermal water loss (TEWL), ensure an appropriate level of skin hydration and protection against external factors and the damage induced by inflammation (e.g., omega-3 and omega-6 fatty acids).
Antioxidants as well as other phytonutrients having reactive oxygen species (ROS) scavenging and oxidative skin damage ameliorating potential also play an essential role in the prevention and maintenance of aging skin, similar to substances shielding the skin against the harmful effects of ultraviolet (UV) radiation. These substances include vitamins like A, C and E, selenium, zinc, copper, silicon, polyphenols and carotenoids.
Orally administered antioxidants can be a practical supplement for chemical and physical UV-filtering agents and can decrease the DNA damage leading to skin aging and the development of skin cancer. Including these substances in the daily diet can aid anti-aging interventions.
Thus, promoting healthy dietary habits can benefit the appearance of the skin, delay aging processes and reduce the risk of skin cancer.
Source: Michalak M, Pierzak M, Kręcisz B, et al. Bioactive compounds for skin health: a review. Nutrients. 2021;13(1):203.