Carcinogen 1, 4-Dioxane-Ethylene Oxide Free Tested by an Independent Laboratory Vegan Product EcoFriendly Ecologo Natural and fluoride-free, Attitude's training toothpaste is perfect for introducing your child to the lifelong practice of healthy dental habits. 1, 4-Dioxane and ethylene oxide may be found as legally tolerated contaminants in personal care 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). CO2 neutral: Attitude is manufactured using 100% renewable energy and we plan trees to compensate for our inevitable greenhouse gas emissions. This is how we contribute to the fight against climate change.