Combining it with a physical sun block like powdered zinc oxide can give you full spectrum sun protection and minimize your exposure to the toxic chemicals found in conventional sunscreen. (mindbodygreen.com)
To to the zinc oxide or titanium dioxide I'd assume — most conventional sunscreens use oxybenzone or avobenzone as the active ingredients. (bodyunburdened.com)
Their results, says Krutmann, suggest that «a combination of conventional sunscreens with photolyase could significantly improve sun protection.» (sciencemag.org)