Skip to content

2-Methoxypropanol

CAS 1589-47-5
42

Safety score · 0–100

Moderate

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

A glycol ether solvent with reported reproductive and developmental toxicity concerns that limits its suitability for leave-on skin care formulations.

2-Methoxypropanol (propylene glycol methyl ether, PGME) is classified under REACH as a substance of concern for reproductive toxicity (Repr. Cat. 2; R61). It readily penetrates the skin and has been associated with developmental effects in animal studies at concentrations above 5%. EU cosmetic regulation does not specifically ban it but its use in leave-on products is discouraged.

Known concerns

  • Reproductive toxicity (REACH Repr. Cat. 2)
  • Developmental toxicity at high doses
  • Readily skin-penetrating

References

EU

EU CosIng database

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

Check your shelf

Find 2-Methoxypropanol in your products.

Scan any cosmetic product with LuxSense to see if it contains 2-Methoxypropanol 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.