It's tricky to make a bubble bath without sulfates, but it was important to us that kids have fun at bathtime: and that means not missing out on sudsy fun! Our formulation still provides bubbles but without harsh sudsing agents and synthetic ingredients. For best results, pour some bubble bath onto a dry, closed drain, then draw the bath. You can always add more while the water is running but we've found you get the most bubbles and they last the longest if you pour the product onto the dry drain first.