Nature and EnvironmentTanzaniaDoing Your Bit: Liquid fertilizer made from human hair01:57This browser does not support the video element.Nature and EnvironmentTanzaniaJulia Mielke10/30/2021October 30, 2021A young man and a team in Tanzania collect tons of human hair waste a month and convert it into a keratin-rich liquid fertilizer. After many attempts to get the right recipe, he has turned a quirky idea into reality.Copy linkAdvertisement