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ACETALDEHYDE

CAS 75-07-0
12

Safety score · 0–100

Avoid

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

A small aldehyde compound classified as a probable human carcinogen (IARC Group 2B) and restricted in cosmetic products under EU Annex II/1391.

Acetaldehyde is a volatile aldehyde restricted under EU Cosmetics Regulation 1223/2009 Annex II/1391, prohibiting its use in cosmetic products. It is classified as a probable human carcinogen by IARC (Group 2B) and as a CMR substance (Carc. 2, H351) under CLP Regulation 1272/2008. Despite natural occurrence in some plant extracts, its use as an intentional ingredient in cosmetics is prohibited in the EU.

Skin benefits

  • Not applicable; restricted ingredient with no permitted cosmetic use

Known concerns

  • EU Annex II/1391 restriction prohibits use in cosmetics
  • IARC Group 2B probable carcinogen
  • CMR substance (Carc. 2, H351)
  • Skin, eye, and respiratory irritant

References

EU

EU CosIng database

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

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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.