what is in chemical sunscreen

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Chemical sunscreen contains organic (carbon-based) compounds such asoxybenzone,octinoxate,octisalate,and avobenzone,which create a chemical reaction. Chemical sunscreen works by absorbing UV rays and changing them into heat,then releasing that heat from the skin. As a result,UV rays are not absorbed by the skin.

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The two inorganic compounds used are titanium dioxide and zinc oxide. These compounds are often described as merely providing a physical, reflective barrier to UV light, but in fact they can absorb the UV radiation, and dissipate it harmlessly. The first sunscreens containing only these chemicals would have left a visible white layer on the skin.

Sunscreens are products that help absorb or deflect the sun鈥檚 ultraviolet (UV) radiation, helping to protect people from sunburns and lower their risk of skin cancer. Mineral sunscreens, also called sunblock or physical sunscreen, contain ingredients like titanium dioxide or zinc oxide and protect skin by deflecting the sun鈥檚 harmful UV rays.

Physical sunscreens work by sitting on top of the skin to form a shield. They scatter damaging UV rays away from the skin. This is why they are often referred to as physical blockers. Lasts longer than chemical sunscreen when exposed to direct UV light (but NOT when doing physical activities that cause the skin to get wet or sweaty)

A. There are two types of sunscreens: Physical blockers reflect ultraviolet rays from the sun and contain one of two active ingredients, zinc oxide or titanium dioxide. Chemical blockers contain chemicals that absorb the sun’s ultraviolet rays.