Polybutene
The question

Is Polybutene safe in mascara?

ClearedMascara

A light, non-drying synthetic emollient that provides gloss and viscosity in lip and eye makeup. The CIR confirmed safety as a cosmetic ingredient at concentrations up to 50%. Non-irritating, non-sensitizing, and not absorbed through skin.

What the research flags

  • Petroleum-derived synthetic ingredient

Regulatory
Petroleum-derived — some environmental persistence concerns

Other mascara ingredients on file

Sources & references

  1. [1]
    DatabaseIngredient database — 705130-POLYBUTENE
  2. [2]
    Peer-reviewedPubMed / NCBI — pubmed.ncbi.nlm.nih.gov · ref 19101833
  3. [3]
    DatabaseIngredient database

Research disclaimer: Ratings reflect peer-reviewed research and regulatory assessments available at the time of publication, not the dose or formulation of any specific mascara product. This is not medical advice.