Irish Spring Original Clean: The Body Wash With a Prop 65 Carcinogen Route and a Foam Booster Worth Knowing
Sodium C12-13 Pareth Sulfate is ethoxylated, the same 1,4-dioxane contamination pathway as SLES. Cocamide MEA is the structural cousin of an IARC Group 2B compound on Prop 65.
Irish Spring Original Clean Body Wash uses Sodium C12-13 Pareth Sulfate as its primary surfactant, an ethoxylated compound that carries the same 1,4-dioxane contamination risk as sodium laureth sulfate (SLES). California has designated products containing ethoxylated surfactants a Priority Product under DTSC's Safer Consumer Products program; 1,4-dioxane is on Prop 65 as a carcinogen and classified IARC Group 2B. The formula also uses Cocamide MEA as a foam booster, a structural relative of Cocamide DEA (IARC Group 2B, Prop 65-listed), distinguished by monoethanolamide vs. diethanolamine but potentially carrying trace DEA contamination from manufacturing.
The label, flagged
Water
Sodium C12-13 Pareth SulfateCAUTION
The sulfate itself just cleans, the real issue is 1,4-dioxane, a probable carcinogen created when it's made, that never appears on the label.
ethoxylated sulfate, 1,4-dioxane contamination pathway; functionally similar to SLES
Cocamidopropyl BetaineCAUTION
Named Allergen of the Year in 2004, but the molecule isn't the culprit. A manufacturing impurity (DMAPA) is what sensitizes people.
FragranceCAUTION
Not a hazard in itself, but a legal black box. “Fragrance” can shield ingredients (including EU-banned ones) that you are never told are there.
Citric Acid
Cocamide MEACAUTION
Not the same as Cocamide DEA (a listed carcinogen), but it can carry trace DEA from manufacturing. The distinction is real, and worth knowing.
Sodium Benzoate
Sodium Chloride
Tetrasodium EDTAACTUALLY FINE
A chelator that keeps formulas stable. It barely penetrates skin and carries no hazard finding. Cleared, though it does nudge other ingredients in slightly.
Polyquaternium-7
Green 3 (CI 42053)
colorant
Yellow 5 (CI 19140)
colorant
Source: EWG Skin Deep database product #1069582. View label. Tap any flagged ingredient for the evidence.
What to use instead
The fix isn’t complicated: a fragrance-free or fully-disclosed alternative, with the ingredients flagged on this label designed out, closes these gaps at once. We pick the ones worth your money.
See cleaner picks →Editorial analysis of the publicly listed label and regulatory/peer-reviewed sources. Not medical advice, not affiliated with the brand. Verdicts are evidence-graded, we flag what the data flags and clear what it clears.