Assertion: sunscreen's formula | /r/CapableOf | sit on top of skin
Facets:
value: to deflect uv rays
type: PURPOSE
Source sentences:
text: Kids have thinner, more absorbent skin, which is why Dr. Engelman (and many of her peers) recommends a physical formula (which sits on top of skin to deflect UV rays) over a chemical one (which is absorbed into the skin) to be extra safe.