The issue uncovered by The Center for Environmental Health is so widespread that it’s led to four major shampoo manufacturers being served California lawsuits.
Cocamide DEA is what makes your shampoo foamy, and the problem with it is that it’s a carcinogen. The state of California’s Proposition 65 requires manufacturers to warn consumers about the risks associated with certain substances like cocamide DEA.
And it’s only not obscure, cheaply made shampoos that contain cocamide DEA; well-known companies like Colgate use the substance in their products. And the FDA has done little, even though cocamide DEA is banned in commercial “health” products.
How To Tell If Your Shampoo Has Cocamide DEA
Here’s a list of a few shampoo products that contain cocamide DEA: