Assertion: sunscreen | /r/CapableOf | block uvb radiation
Facets:
Source sentences:
text: The simple truth is that most commercially available sunscreens on the market (like the stuff you grab off the shelf at your local supermarket) only block UVB radiation.
text: Yet while most sunscreens block out at least some UVB radiation, many don’t screen UVA rays at all, making their use risky.