* Carcinogen 1,4-Dioxine / Ethylene Oxide Free * Tested in Independent Laboratory * Fragrance Free // Hypoallergenic * Certified EcoLogo * CO2Neutral Industrial carcinogenic contaminants 1,4-dioxane and ethylene oxide are regularly found 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 the greenest products in the world. CO2neutral: 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.