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SESH INGREDIENT FILE

Butylene Glycol

INCI Butylene Glycol

Humectant / Solvent Hydration & Barrier

What it is & what it does

Butylene Glycol is a humectant and solvent.
It attracts water to the outer skin layers while also helping dissolve and deliver other ingredients. It improves hydration and reduces tackiness in many serum and gel formulas.

Usage & cautions

Information approach Consumer-friendly summaries are informed by established cosmetic ingredient references such as INCIDecoder and Paula’s Choice Ingredient Dictionary, while avoiding turning ingredient-level evidence into medical claims about the finished product.