Sustainable Wellbeing Carcinogen 1,4-Dioxane/Ethylene Oxide Free Tested by Independent Laboratory Hypoallergenic Certified EcoLogo CO2Neutral Vegan Product Septic Tank Safe Leaping Bunny EcoFriendly Eliminates the toughest stains. Safe for all colorfast washables and works in all temperatures. 1,4-dioxane and ethylene oxide may be found as contaminants in household products. This Attitude product does not contain these by-products listed as carcinogenic to humans by the International Agency for Research on Cancer (group 1 or 2). EcoLogo: We do everything we can to offer you the greenest products in the world. The EcoLogo certification is proof of our environmental leadership. CO2 Neutral: Attitude is manufactured using 100% renewable energy and we plant trees to compensate our inevitable greenhouse gas emissions. This is how we contribute to the fight against climate change.