How Does Sunscreen Protect You? By Selin Isguven. May 9, Sunscreen is comprised of particles that physically bounce radiation off the skin and react with UV rays. Your gift will help support our mission to end cancer and make a difference in the lives of our patients. Our personalized portal helps you refer your patients and communicate with their MD Anderson care team.
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But how does it work? And is it safe? Ultraviolet radiation from the sun damages skin cells. This can led to sunburn, aging and even skin cancer. Sunscreens combine different ingredients to help stop UV rays from damaging your skin. There are two categories of sunscreen ingredients, says Saira George, M. There are benefits to both types of sunscreens.
The skin has decreased sensation Medications can make skin more sensitive to sunlight Decreased mobility increases the risk for spending more time in the sun Inability to change body positions increases the risk for intense sun exposure burns can occur without realizing it!
Protection from Burns Individuals with spinal cord injuries are unable to identify hot surfaces. Cover wheelchairs in blankets or towels when not in use Park wheelchairs in shady areas Have someone check the surface temperature before transferring to a chair or wheelchair Consider using a wheelchair umbrella for shade Objects with black, metallic, leather and vinyl surfaces absorb heat making them HOT!
Related Resources. The largest proportion of these ingredients are the solvents, which are usually water, Romanowski says, although they include some oils too. Preservatives, such as phenoxyethanol and tocopherol acetate, keep the active ingredients from breaking down or the formulation from spoiling or having a shorter shelf life.
Sunscreens may also contain thickening agents, emulsifiers, chelating agents, pH-balancing agents, antioxidants, and more. These ingredients keep the active ingredients in solution, homogeneous, spreadable, and functional.
Some ingredients in sunscreen change the way the product feels or smells. These compounds are what make people want to wear sunscreen, or they at least help make people less averse to wearing it. Companies can technically sell sunscreens that contain only the sun filters, but such products would be grainy or greasy and incredibly difficult to spread, he says. Related: Sunscreen Safety. Aloe is a common example of an extra ingredient, he says.
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