Doctor Bernardi: “Consuming the right amount of water – making sure you take at least 2 liters daily – can help extend the longevity of your tan”
MILAN – Summer is ending but the tan is not going away. In order not to lose the much-desired suntan gained in the summer months, an essential ally is undoubtedly water: excellent hydration in fact helps to keep the tan longer. Tanning makes us feel good, makes us look more beautiful, exposing the skin to sunlight activates vitamin D, which is essential for the immune system and the health of our bones. But tanning also contributes to making the skin “drier”, which is why hydration is so essential.
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As Dr. Elisabetta Bernardi, Biologist specialist in Food Science and member of the Sanpellegrino Observatory recalls: “Many factors influence the health of the skin. Genetics, aging, hormones, and conditions such as diabetes are internal and natural factors that play a role. Some of these are immutable, but there are many other external factors that can be acted upon. For example, unprotected sun exposure and washing too frequently or with water that is too hot can damage the skin. An unhealthy diet, stress, lack of sleep, insufficient exercise, smoking, and certain medications can all affect the skin’s ability to act as an effective protective barrier against ultraviolet rays. But drinking enough water is also a primary aspect to take care of to keep our dermis healthy ”.
Several studies have suggested that the amount of water provided by proper hydration can be a valuable aid in improving the appearance of the skin. In particular, a recent study conducted at the universities of Lisbon and Madrid would show that drinking water improves the state of superficial and deep skin hydration.. The results of the study seem to confirm that a greater daily water intake in one’s diet improves hydration and biomechanical behavior, especially in individuals who hydrate too little. By biomechanical behavior we mean the elasticity of the skin, its plasticity, its ability to return to its original state. A recent literature review he also concludes that the additional intake of water in the diet can increase the hydration of the layer of our skin that is most exposed to ultraviolet rays.
So, to take care of our skin and to preserve the tan for some time, Doctor Bernardi provides some practical advice: “In addition to not forgetting to use a good moisturizer, not to use too hot water for the shower, to gently exfoliate (dead skin cells on the surface could dull the appearance of the skin), consume the right amount of water – making sure to take at least 2 liters daily – can help extend the longevity of the tan ”.
 Palma L, Marques LT, Bujan J, Rodrigues LM. Dietary water affects human skin hydration and biomechanics. Clin Cosmet Investig Dermatol. 2015 Aug 3;8:413-21. doi: 10.2147/CCID.S86822. PMID: 26345226; PMCID: PMC4529263.
 Akdeniz M, Tomova-Simitchieva T, Dobos G, Blume-Peytavi U, Kottner J. Does dietary fluid intake affect skin hydration in healthy humans? A systematic literature review. Skin Res Technol. 2018 Aug;24(3):459-465. doi: 10.1111/srt.12454. Epub 2018 Feb 2. PMID: 29392767.
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