By now the vast majority of Unilever's shampoo sales in India were made in sachets. The tiny plastic packages were widely littered. 'This stuff, it began to show up in landfills and nature with ...

By the turn of the century, nearly 70% of all shampoo sold in India came in sachets, academic C.K. Prahalad wrote in his 2004 book, "The Fortune at the Bottom of the Pyramid." ...