Spotlighted in a 2010 article in The Economist,[REF] the roots of this concept may lie in the appropriate technology movement of the 1950s[REF] although profits may have been first wrung from underserved consumers in the 1980s when multinational companies like Unilever began selling single-use-sized toiletries in developing countries [REF].
The concept has gained popularity in the South Asian region,[REF] particularly in India [REF].