Ingredient glossary

Glycerin

INCI: Glycerin · Also: Glycerine

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
  • barrier support

strong evidenceWell-established humectant with decades of data showing reliable improvement in skin hydration and barrier function when properly formulated.

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
  • occlusives
  • emollients

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Educational information about a cosmetic ingredient, not medical advice.