Ingredient glossary
Butylene Glycol
On your shelf ✓What Butylene Glycol does for your skin, who it suits, and what to watch for.
INCI: Butylene Glycol
In short: Butylene Glycol delivers hydration and solvent, suits most skin types, and the evidence behind it is strong.
- What it does
- Hydration, solvent
- Best for
- Most skin types
- Evidence
- Strong
The molecule
The Glow take
Genuinely worth a spot in your routine.
When your goal is deep, lasting hydration, Butylene Glycol pulls genuine weight, and the research properly backs it up. Gentle enough that most skin types can reach for it.
— Maya
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
How it fits each skin type
- DrySuits
- CombinationSuits
- OilySuits
- SensitiveSuits
Where it fits in your routine
Plays well with
- humectants
- emollients
Butylene Glycol, answered
Is Butylene Glycol safe during pregnancy?
Yes. Butylene Glycol is considered safe to use during pregnancy and breastfeeding. As with anything, if you are unsure it is worth a quick word with your doctor or midwife.
Who should avoid Butylene Glycol?
No specific group is flagged to avoid Butylene Glycol. It is well tolerated by most skin. Still, introduce anything new one product at a time.
What concentration of Butylene Glycol actually works?
Butylene Glycol tends to do its job in the 2 to 10% range. Much lower and it is likely underdosed.
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