As a child, I spent many summer days at the beach in southern California. I remember playing in the surf, collecting shells, watching sea lions, and seeing the white noses of the lifeguards. In those days, lifeguards smeared thick, white zinc oxide paste on their noses to protect themselves from getting sunburned When my kids …
Continue reading "Not Your Daddy’s Sunblock – Why Thick, White Sunblock is a Thing of the Past"
Sustainable Nano 