Nano Zinc Oxide: Should You Really Steer Clear?
‘s lead formulator and the genius behind top-rated Solar Rx , there are over 400 published studies on the behavior of nano zinc oxide when used in creams and lotions (far less data exists on powders and sprays – i.e., the kind you can inhale). In fact, Root states the bigger problem with nano zinc oxide is making it adhere to the skin. “The spherical shape of nano zinc causes the skin to push it back out,” he explains. “Other nano particles that have more rugged shapes seem to penetrate better, but with nano zinc, the challenge is keeping it on the skin.”