Sun & Body: Sun Block
Definition: Sunblock is different than sunscreen. A sunblock physically blocks the sun's UV radiation of the skin, both UVA and UVB. Examples of sunblocks are clothing, umbrellas, and trees. Chemical sunblocks scatter, reflect, and physically block UV radiation. The most well-known chemical sunblock is zinc oxide. Other commonly used sunblocks are talc, titanium dioxide, and red vetenary More ...
