The Lab
Specimen No. 0039
CautionSyntheticthickener

Carbomer

carbomer · carbopol · polyacrylic acid

Synthetic polymer used to thicken gels and creams. Generally considered safe but is derived from petroleum and may cause mild irritation for sensitive skin.

medium confidence
Researched April 18, 2026
Carbomer molecular structure
Specimen 0039Carbomer

Concerns

  • Petroleum-derived synthetic polymer
  • Mild eye and skin irritant in some individuals
  • Limited long-term safety data for repeated use
  • Slight potential for residual benzene contamination (trace)

Commonly found in

Gel moisturizerSunscreen gelEye gelHand sanitizerSerum

Last researched: April 18, 2026

Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.

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