Summer Sunscreens: Key essentials you must know
Natural tan, obtained by sun exposure, can be a short-term aesthetic quality. However, sun effects are not exactly good for your health. UVA and UVB solar radiation damage the epidermis, support premature aging and are also increases the chances for skin cancer. Prolonged or inappropriate exposure, in which these radiations are more severe, is even more dangerous.
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Therefore, protecting the skin by applying creams with high SPF, appropriate to your skin type, and the duration of exposure is an essential measure that can prevent premature aging and damage to upper layers of the skin, and any associated diseases. Here are some questions and answers that will help you understand the importance of using the protection factor and the best ways to use SPF products:
WHAT IS SPF?
SPF, sunblock, or sunscreen is the capacity of a cosmetic product to act as a filter for UVA and UVB radiation and also to protect skin from sun’s harmful rays. The sun protection either absorbs or partially reflects this radiation, thus preventing sunburn and its possible complications.
HOW DOES SUN PROTECTION WORK?
As I mentioned, sunscreen can have two modes of action: absorption or reflection. UV absorbers are carbon-based chemicals that absorb and transform ultraviolet radiation.
UV reflectors are produced based on oxides, which change the direction of light propagation, reflecting radiation that reaches the surface of the skin.
HOW TO CHOOSE SPF CREAM DEPENDING ON SKIN AND SKIN SHADING?
Skin and skin tone is a good landmark for choosing the right sunscreen. The lighter the skin, the more sensitive and prone to burns, the higher the sun protection factor should be. Thus, creams and lotions with low or medium SPF are rather recommended for people with a darker skin pigment.
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