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Humectants

Sodium PCA

吡咯烷酮羧酸钠

Also known as: NaPCA

What it does

  • Natural moisturizing factor component
  • Powerful humectant

Evidence

Moderate evidence

Component of skin's NMF. Good humectant properties.

Skin types

Well suited for: All

Well-tolerated.

Helps with

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

Safe.

Good to know

Naturally found in skin. More hygroscopic than glycerin.

Related ingredients

Sodium Hyaluronate Glycerin 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.