We Earthlings: Avoid PPD In Hair Dyes

If you’re one of the 64 million Americans who dye their hair, check the ingredients before your next salon visit or DIY coloring session to see if the products you use contain Paraphenylenediamine, or PPD. This common ingredient can harm your health and nature if it escapes into waterways — and they will because wastewater treatment plants cannot filter PPD effectively.

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