Butylene Glycol
HumectantSolventAlso known as: 1,3-Butanediol, BG, Butanediol
A lightweight humectant and solvent commonly used in skincare. Helps other ingredients penetrate the skin and adds hydration.
Routine placement
Serum · AM & PM
Time to results
Immediate hydration boost; 2-4 weeks for sustained improvement
Lightweight hydration, enhances ingredient penetration, solvent for active ingredients, improves product texture.
Present in many formulations as a humectant and solvent. No specific application instructions.
CIR-reviewed as safe. Functions as both humectant and penetration enhancer. Less irritating than propylene glycol.
Cautions
Well tolerated by most skin types. Lower irritation potential than propylene glycol. Rarely may irritate very sensitive skin.
What does Butylene Glycol do for skin?
Butylene Glycol is used in skincare primarily as a humectant ingredient. Its effects depend on concentration and formulation. Check the benefits section above for specific details.
Is Butylene Glycol safe for sensitive skin?
Butylene Glycol is generally well-tolerated, but sensitivity varies by individual. Start with a patch test if you have reactive skin, and introduce gradually into your routine.
Can I use Butylene Glycol every day?
For most skin types, daily use is appropriate at standard concentrations. If you experience any irritation, reduce frequency to every other day.
Does your skincare contain Butylene Glycol?
Paste your product's ingredient list to check, or create your Skinularity ID for a full routine.
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