In the summer season, the issue of sun protection is of particular importance. The scorching sun's rays damage the skin on the streets of big cities, and in open suburban areas, and especially in seaside resorts. Women are actively making appointments with cosmetologists in order to choose the perfect remedy for sun protection, because who, if not a specialist in aesthetic medicine, will best choose a quality care product. Estet-portal.com offers today to understand the basics: what are sun filters and how they relate to products with SPF.
Physical and chemical sunscreens in cosmetics
Sun filters are the substances that form the basis of all sun protection products. As part of creams, lotions and other skincare products, they help protect the skin from the harmful effects of ultraviolet radiation. They are called filters, not blockers, precisely because they reduce the dose of ultraviolet radiation, but do not serve as an absolute barrier to its contact with the skin.
Sun protection is provided by two types of sunscreen: chemical and physical.
If the former are organic molecules that absorb ultraviolet light, the latter reflect the sun's rays, preventing them from reaching the surface of the skin.
Sun filters:
- Peculiarities in the use of physical sunscreens;
- chemical sunscreens in skincare.
Peculiarities of using physical sun protection filters
Physical sunscreens include titanium dioxide and zinc dioxide. Sunscreens that use physical filters often do not penetrate the skin, but work on its surface. They are used in decorative cosmetics as sunscreens. Such filters do not irritate the skin and do not provoke the development of allergic reactions. However, they also have disadvantages, for example, physical sunscreens can turn the skin white. In order not to be visible on the skin, zinc or titanium particles are made smaller.
Chemical sunscreens in skincare
Chemical sunscreens are capable of absorbing the energy of the sun's rays. The products in which they are used have a light texture and penetrate well into the stratum corneum of the skin. All chemical filters are divided into two types:
- natural chemical sunscreens are skin melanin and substances found in vegetable oils and extracts, such as cinnamic acid and its derivatives. It is on the basis of this component that ultraviolet filters for the production of natural sunscreen cosmetics are synthesized;
- Synthetic chemical sunscreens are colorless liquids of various viscosities that convert absorbed energy into heat, but in much smaller amounts than natural ones.
The use of cosmetic products containing sunscreens is an essential component of proper skin care in summer.
The choice of product depends primarily on the intensity of the sun's rays and the required degree of protection from them. Only a qualified specialist can choose a product that is optimally suited to the type of patient's skin and provides effective and safe protection against the negative effects of ultraviolet rays.
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