1,4 – Dioxane
Manufacturing Contaminant
Classified by IARC as possibly carcinogenic to humans (Group 2B). Can contaminate ingredients such as PEGs, polysorbates, sodium laureth sulfate, and other ethoxylated compounds. Manufacturers can reduce or remove it through purification.
Why Oh Daisey rates it this way
Classified by IARC as possibly carcinogenic to humans (Group 2B). Can contaminate ingredients such as PEGs, polysorbates, sodium laureth sulfate, and other ethoxylated compounds. Manufacturers can reduce or remove it through purification.
What it does
Not intentionally added; may be present as a contaminant in ethoxylated ingredients
How to read this rating
This rating reflects the Oh Daisey ingredient standard and the evidence currently available for cosmetic use. Product safety can also depend on concentration, exposure route, formulation, manufacturing quality, and individual sensitivity.
Sources
- 1 IARC, FDA, EPA, ECHA, PubMed