If you’re a fan of the purported eco-friendly brands Seventh Generation or Method, the Environmental Working Group’s (EWG) newly expanded Guide to Healthy Cleaning may make you think twice about those products. The guide, which rates over 2,500 products on their effects on human health and the environment, gave both brands D’s and F’s on their rating scale. The guide said the products were rated poor due to toxic ingredients that posed moderate to high health concerns. Keep reading for a closer look as to why these household brands scored so low in EWG’s guide.