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Plasticizer/Solvent

BIS-(1-METHYLHEPTYL) MALEATE

CAS 97298-48-1
45

Safety score · 0–100

Moderate

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

A maleic acid diester used as a plasticizer or solvent in specialty cosmetic formulas. Limited public safety data means cosmetic use should be approached cautiously, particularly in leave-on skincare products.

Skin benefits

  • Functions as a plasticizer in some cosmetic films
  • Provides flexibility in nail and hair products

Known concerns

  • Maleate esters can hydrolyze to release reactive maleic acid
  • Limited cosmetic-specific safety review
  • Phthalate-adjacent plasticizer chemistry warrants caution
  • Skin irritation potential not well characterized

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.