Any discussion of SLS/SLES must include a discussion of 1,4 dioxane because the manufacturing process of SLS/SLES results in its being contaminated with 1,4 dioxane—a known carcinogen.
I carry over 500 essential oils, resins, absolutes, extracts and dozens of enriching, infused and carrier oils, making Anarres Natural Health the most ethical and local source for essential oils in Toronto.