Health
shaunnixon0420
2016-04-26 21:17:57
Because joan is concerned about skin cancer, she uses a sunscreen when she is outside. at what spf level will sunscreen start to interfere with vitamin d synthesis
ANSWERS
Chasidy391
2016-04-27 01:14:12

At SPF 23 the sunscreen start to interfere with vitamin D.

ADD ANSWER