TOXICOLOGY: has slightly more energy than UV-A. Therefore they can
damage the DNA in skin cells directly.

the main UV that causes sunburns.
cause most skin cancers.
- Comes in contact with the outer layer of the skin.

Question

has slightly more energy than UV-A. Therefore they can
damage the DNA in skin cells directly.

the main UV that causes sunburns. 
cause most skin cancers.
- Comes in contact with the outer layer of the skin.

LEIGHTON DWIGHT OBILLOS · Accepted Answer

UV-B (290-320 nm)

(IV. PHOTOTOXICOLOGY)

Has slightly more energy than UV-A. Therefore they can damage the DNA in skin cells directly. the main UV that causes sunburns. cause most skin cancers. - Comes in contact with the outer layer of the skin.