Butylene Glycol
Butylene Glycol
Also known as: 1,3-Butanediol · BG
HumectantMoisturisingSolvent
“A lightweight humectant that hydrates and helps actives absorb better.”
What it does
Butylene glycol is a small molecule diol used as a humectant and solvent in skincare. It draws water to the skin, improves texture, and helps other ingredients penetrate more effectively. It is lighter than glycerin, leaves no sticky residue, and is commonly found in serums, essences, and toners.
Benefits
- Draws moisture to the skin surface
- Improves the penetration of other actives
- Lightweight — no sticky or heavy feel
- Has mild preservative properties
How to layer
☀️ Morning routine
Cleanser
Toner
Serum
Moisturiser
SPF
🌙 Evening routine
Cleanser
Toner
Serum
Moisturiser
Face Oil
As the last step in your routine
Good for
All skinOily skinCombination skinNormal skinSensitive skin
Works well with
Heads up
- ⚠At high concentrations, may cause mild irritation on very sensitive skin
How to use
Used as a supporting ingredient — no special application needed.
Typical concentration: 1–10% in most formulations