Researchers at the University of California said in a new study that improper use of sunscreen is dangerous and can damage skin. Filters used in sunscreen to keep out ultraviolet radiation could cause 'Oxidative Damage' because compounds generated by the UV radiation can harm the skin. One example of a harmful compound is ROS, which causes skin damage and hastens aging process. 'Sunscreens do an excellent job protecting against sunburn when used correctly. This means using a sunscreen with a high sun protection factor and applying it uniformly on the skin,' said Hanson, who is a part of the team at laboratory of Christopher Bardeen, an assistant professor of chemistry at UCR.' 'Our data show, however, that if coverage at the skin surface is low, the UV filters in sunscreens that have penetrated into the epidermis can potentially do more harm than good,' he added. Asia News International quoted him as telling that UV filters are important. 'Another solution may be to mix the UV-filters with antioxidants since antioxidants have been shown to reduce UV-induced ROS levels in the skin.'
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