Ingredient glossary

Sodium PCA

INCI: Sodium PCA

Worth paying for

Strong results with strong evidence behind them. This is one genuinely worth having in a formula.

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What it does

  • hydration

strong evidenceSupported by cosmetic chemistry literature for its assigned function, with fewer direct clinical outcome studies than hero actives.

Who it's for, and who should skip it

Tends to suit

  • dry
  • dehydrated
  • all

Approach with care

No specific group flagged to avoid it.

  • Clogs poresLow
  • Irritation riskLow

Plays well with

  • humectants
  • emollients

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Educational information about a cosmetic ingredient, not medical advice.