
Originally Posted by
archy
dudeman, you are correct when you say zinc oxide is toxic. it is toxic if ingested orally, or if it is in the form of a nano particulate, which the skin will absorb. however, large particulate zinc oxide will not be absorbed by the skin, making it safe to use. your normal sunscreens ( bull frog, head hunter, vertra, etc) are bad. you need at least 30 minutes of sun exposure with out suncreen a day for your ample vitamin D. after that you need something, and hats are inaffective when the waves are big, unless you can deal with the straps and floppy visers in your face.