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Humectants

Butylene Glycol

丁二醇

Also known as: 1,3-Butanediol

What it does

  • Humectant
  • Solvent
  • Penetration enhancer
  • Texture improver

Evidence

Strong evidence

Very common, well-studied ingredient. CIR safe.

Skin types

Well suited for: All

Extremely common. Well-tolerated.

Helps with

Dryness
Irritation potential
Very Low
Comedogenic rating
1 / 5
Pregnancy
Generally considered safe during pregnancy

Safe.

Good to know

One of the most common cosmetic ingredients. Helps other ingredients absorb better.

Related ingredients

Sodium Hyaluronate Glycerin Propanediol Urea Sodium PCA Hydrolyzed Hyaluronic Acid

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Educational information only — not medical advice. Always patch test and consult a dermatologist for skin concerns.