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Humectants

Propanediol

丙二醇

Also known as: 1,3-Propanediol, Zemea

What it does

  • Humectant
  • Solvent
  • Improves product feel
  • Natural alternative to butylene glycol

Evidence

Moderate evidence

Bio-based alternative to petroleum-derived glycols.

Skin types

Well suited for: All

Very well-tolerated.

Helps with

Dryness
Irritation potential
Very Low
Comedogenic rating
0 / 5
Pregnancy
Generally considered safe during pregnancy

Safe.

Good to know

Corn-derived. Popular in 'clean beauty' as a natural humectant.

Related ingredients

Sodium Hyaluronate Glycerin Butylene Glycol 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.