Assertion: chemical sunscreen | /r/MadeOf | benzophenone source
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text: Chemical sunscreens absorb UVA or UVB rays and contain ingredients such as avobenzone and benzophenone [source: Mayo Clinic]. Chemical sunscreens often contain UVB-absorbing chemicals only; however, there are some chemical sunscreens that contain both UVB and UVA absorbers [source: American Melanoma Foundation].