I can’t guarantee that it’s any safer, but I’ve used plain old bar soap for “shampoo” for years now and have yet to tell any difference in my hairs quality or cleanliness. Caveat: I’m a no-frills kind of guy who keeps his hair short. Your mileage may vary.
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Reading the ingredients on the back of the average shampoo bottle can sometimes feel like a pop quiz in biochemistry. But a new study conducted by a Californian environmental watchdog shows how important it is to pay attention to what you smear on your scalp.
According to an independent study sponsored by the nonprofit Center for Environmental Health, 98 shampoo products contained the carcinogenic chemical cocamide DEA, a form of coconut oil used as a thickener.
Last year, California’s Office of Environmental Health Hazard Assessment listed cocamide DEA as a carcinogenic chemical likely to cause cancer. Although the state has not declared a specific limit for this chemical in products, the CEH claims the levels of cocamide DEA were much higher than normal limits.