Seventh Generation uses sodium lauryl sulfate (SLS) as the surfactant in our cleaning products. Two differentiating factors are that this surfactant is 100% biobased and that it has non-detectable levels of 1,4 dioxane (a known chemical of concern).
We have a comprehensive document about SLS based on scientific data that we are happy to share with you. Please email info@seventhgeneration.com to request the document from our Customer Care team.