The family, villagers, and the Taliban were even incensed by a shampoo commercial, featuring Humira, which played on television.
The idea of a soap being advertised as gluten-free struck me as ludicrous—roughly on par with a shampoo proclaiming to be low fat.
Lo and behold, hydrolyzed wheat protein showed up in some shampoo and conditioner I had in my own house.
1762, "to massage," from Anglo-Indian shampoo, from Hindi champo, imperative of champna "to press, knead the muscles," perhaps from Sanskrit capayati "pounds, kneads." Meaning "wash the hair" first recorded 1860; extended 1954 to carpets, upholstery, etc. Related: Shampooed; shampooing.
"soap for shampooing," 1866, from shampoo (v.).