Butylene Glycol
The question

Is Butylene Glycol safe in makeup?

ClearedMakeup

A petroleum-derived humectant and solvent approved by the CIR as safe at concentrations used in cosmetics. No evidence of reproductive toxicity, carcinogenicity, or cumulative toxicity. Can cause mild eye irritation at high concentrations.

What the research flags

  • Eye irritation at high concentrations
  • Rare allergic reactions in sensitive individuals
  • Petroleum-derived source

Other makeup ingredients on file

Sources & references

  1. [1]
    DatabaseIngredient database — 700861-BUTYLENE_GLYCOL
  2. [2]
    DatabaseIngredient database
  3. [3]
    Peer-reviewedPubMed / NCBI — pubmed.ncbi.nlm.nih.gov · ref 22572017

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