Ingredient glossary
Propanediol
INCI: Propanediol
Solid and proven
Does Propanediol clash with what you already use? Check it →A genuinely useful ingredient with real evidence behind it, not hype.
What it does
- hydration
- solvent
moderate evidenceData from cosmetic use indicate propanediol is a well tolerated humectant/solvent with low sensitization and good compatibility in many formulas.
On a label: usually effective at 2-10%.
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
This, for every label you own
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Educational information about a cosmetic ingredient, not medical advice.