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Humectants

Glycerin

甘油

Also known as: Glycerol, Vegetable Glycerin

What it does

  • Attracts moisture to skin
  • Strengthens skin barrier
  • Softens and smooths skin

Effective concentration

Typical 1-10%

Very effective even at low concentrations.

Evidence

Strong evidence

Skin types

Well suited for: All

Helps with

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

Good to know

Gold standard humectant. Often outperforms trendy alternatives in studies.

Related ingredients

Sodium Hyaluronate Sodium PCA Hydrolyzed Hyaluronic Acid Polyglutamic Acid Butylene Glycol Propanediol

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