What octopus camouflage has to do with sunscreen

Popular Science 

The cephalopod's disappearing act could help your next sunscreen blend in. Breakthroughs, discoveries, and DIY tips sent every weekday. Cephalopods like octopuses, squid, and cuttlefish have the mesmerizing ability to change the color of their skin to camouflage into the surrounding environment. Multiple biological processes involving a natural pigment called xanthommatin drives this unique ability. As such, various industries are interested in using xanthommatin in products such as paint and natural sunscreen, but the pigment has been hard to research.