Exposure to sunlight has beneficial effects on the immune system and strengthens bones through vitamin D, necessary to fix calcium. Sunlight also stimulates the release of neurotransmitters, such as serotonin and dopamine, which regulate the rhythms of sleep and promote a good mood.
There is, however, the downside, namely the damage that can derive from careless or excessive solar radiation. Being exposed in the wrong way, without adequately protecting the skin, means incurring a series of photobiological reactions responsible for acute harmful effects (erythema and burns) and chronic (photo-aging and increased risk of developing skin cancers).
Tanning gradually and with the necessary precautions is equivalent to preventing these inconveniences and reaping the benefits that the sun undoubtedly possesses. Preparing the skin for the sun is essential.
Sunscreens can delay sunburn, reduce the risk of some UV-induced lesions (such as actinic keratoses) and help prevent melanoma. Let's see how to choose the sun protection factor suitable for your skin type and the most compatible formulation for your needs.
To learn more: Best Sun Creams 2021: the 5 Most Effective and Safe (SPF)?Sunscreen s "means any substance (or material) capable of shielding ultraviolet rays and preventing the potential harmful effects it could have on the skin.
Apart from the risks associated with heat, in fact, the action of the sun represents a danger for burns and erythema, which can permanently damage the skin surface and cause premature onset of wrinkles, spots or even precancerous changes.
The key element to choose a solar filter well is the number present on all packages, indicated after the abbreviation SPF (from the English Sun Protecting Factor, ie sun protection factor) which provides a "numerical indication (from 6 to 50+) relating to the product's ability to screen or block the sun's rays.
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