DIY All-Natural Shampoo | Home Made | Prevention

More and more people are getting back to basics with their hair care products, and for good reason: Many conventional brands are full of harmful ingredients. When interacting with water, commonly used preservatives like DMDM hydantoin, imidazolidinyl urea, diazolidinyl urea, and quaternium-15 can release formaldehyde, which is associated with certain types of cancer.

Source: The Easiest Way To Make Your Own All-Natural Shampoo | Prevention