We lather our scalps with it, but what IS shampoo? When did it come to be, and why is Teagan insistent she needs a special one? What makes this "poo" so special?
Disclaimer: OGX is apparently in a legal battle, and it turns out Native is owned by Proctor and Gamble so both co-hosts have since changed their shampoo choices!
SOURCES
BB Time Travels: The Hair Story Of Shampoo
The History of Shampoo | Shampoo Origins and Evolution | Hairstory
The Evolution of Shampoo From 1927 to Today
Gubitosa J, Rizzi V, Fini P, Cosma P. Hair Care Cosmetics: From Traditional Shampoo to Solid Clay and Herbal Shampoo, A Review. Cosmetics. 2019; 6(1):13. Hair Care Cosmetics: From Traditional Shampoo to Solid Clay and Herbal Shampoo, A Review
Cornwell, P.A. (2018), A review of shampoo surfactant technology: consumer benefits, raw materials and recent developments. Int J Cosmet Sci, 40: 16-30. https://doi.org/10.1111/ics.12439
The 106+ Best Hair Jokes - ↑UPJOKE↑
D'Souza P, Rathi SK. Shampoo and Conditioners: What a Dermatologist Should Know? Indian J Dermatol. 2015 May-Jun;60(3):248-54. doi: 10.4103/0019-5154.156355. PMID: 26120149; PMCID: PMC4458934.
The (not so) stinky Middle Ages: why medieval people were cleaner than we think