Ingredient guide
Sodium Pyrrolidone Carboxylate
sodium pyrrolidone carboxylate
In short
Sodium Pyrrolidone Carboxylate, also known as sodium PCA, is a strong humectant that draws water into the skin. It’s a natural moisturising factor component and is very well tolerated.
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What it is
Alternate INCI name for sodium PCA, a natural moisturising factor component. Highly hygroscopic and well tolerated on sensitive skin.
Where it sits
A watery layer. After cleansing, before anything heavier, ideally on slightly damp skin.
- Cleanse
- Tone
- Sodium Pyrrolidone Carboxylate
- Moisturise
- SPF
Also found as
Related
Where to find it
Options across the range, not a ranking. Run one through Lens and MIRU will tell you if it fits you.
Paula's Choice Omega+ Complex Moisturizer
Kiehl's Ultra Facial Cream
Fit comes first: the Lens checks each product against your skin before any retailer link. We may earn a commission, at no cost to you. Picks are editorial, never paid.
Common questions
What does Sodium PCA do for skin?
It boosts hydration and helps the skin feel soft, plump, and comfortable.
Is Sodium PCA good for sensitive skin?
Yes, it’s gentle and widely used in formulas designed for sensitive or easily dehydrated skin.
Where is it used?
You’ll find it in toners, serums, and moisturisers focused on replenishing hydration.
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Personal guidance, not medical advice.