The Safe, Natural Way to Remove Unwanted Odors from Children s Environments Carcinogen 1,4-Dioxane Ethylene Oxide Free* 2 Naturally Eliminates Odors at the Source 3 Fragrance-Free 4 Hypoallergenic Industrial carcinogenic contaminants 1,4-dioxane and ethylene oxide are regularly found in fabric refreshers. This Attitude product does not contain these by-products listed as carcinogenic to humans by the International Agency for Research on Cancer. EcoLogo: We do everything we can to offer the greenest products in the world. Our EcoLogo certification is proof of our environmental leadership. CO2 Neutral: We manufacture our product 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. Vegan product. Septic tank safe.