Ingredient guide
Sodium Pyrrolidone Carboxylate
INCI name · 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.
What it is
Alternate INCI name for sodium PCA, a natural moisturising factor component. Highly hygroscopic and well tolerated on sensitive skin.
Evidence receipt
No linked study yet
No verified study is linked to this exact ingredient and route. The guidance below describes conventional use; it is not evidence of efficacy.
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
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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.