Did You Know That Human Hair Can Be Used To Treat Water Pollution? He Found Out When He Was 13! Shreya Pareek July 29, 2015 Assam, Environment, Innovation Did you know waste like human hair, sawdust and bird feathers can clean oil spills from water? Nikhilesh Das came up with this idea when he was just 13. Read more to know how three incidents in his life made him come up with three solutions to eliminate water pollution.