Ingredient glossary
Butylene Glycol
INCI: Butylene Glycol
Solid and proven
Does Butylene Glycol clash with what you already use? Check it →A genuinely useful ingredient with real evidence behind it, not hype.
What it does
- hydration
- solvent
strong evidenceWidely used with a long history of safe use as humectant/solvent in leave-on and rinse-off products; irritation is rare at cosmetic levels.
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
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Educational information about a cosmetic ingredient, not medical advice.