Skip to content

Banned Substance

Dioxane

CAS 123-91-1
3

Safety score · 0–100

Avoid

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

1,4-Dioxane is an IARC Group 2B carcinogen banned as a cosmetic ingredient in the EU. It can occur as a trace impurity in ethoxylated surfactants and must be kept very low.

Skin benefits

  • Industrial solvent (not deliberately added to cosmetics)

Known concerns

  • EU Annex II banned as an intentionally added cosmetic ingredient
  • IARC Group 2B carcinogen
  • Possible trace contaminant in ethoxylated surfactants — must be minimized
  • Hepatotoxic on chronic exposure

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Related banned substances

3
2-Methoxyethanol [1] and its acetate (2-Methoxyethyl acetate) [2]
Banned Substance
 3
Aniline, its salts and its halogenated and sulphonated derivatives
Banned Substance
 3
Apocynum cannabium L. and its preparations
Banned Substance
 3
DIETHYLENE GLYCOL
Banned Substance
 3
Daminozide
Banned Substance
 3
Dinoterb, its salts and esters
Banned Substance
 3
Diphtheria antitoxin
Banned Substance
 3
Emetine, its salts and derivatives
Banned Substance

Check your shelf

Find Dioxane in your products.

Scan any cosmetic product with LuxSense to see if it contains Dioxane and get a full ingredient breakdown with safety scores.

This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.