Propylene Glycol
💚Good
Also known as: PG
Humectant
What it is
A common and versatile synthetic alcohol used as a humectant, solvent, and delivery agent in cosmetics.
How it works
Propylene Glycol is a humectant that draws moisture into the skin. It also functions as a solvent, helping to keep ingredients dispersed within a formula, and can act as a penetration enhancer, helping other ingredients absorb more effectively. It is also used to improve the freeze-thaw stability of products.
Benefits
- Hydrates the skin.
- Improves product texture and stability.
- Enhances the penetration of other active ingredients.
Formulation notes
Effective concentration: 1% - 20%
pH range: N/A
Stability: Very stable.
Safety
Irritancy: 0
Comedogenicity: 0
Warnings: Can be an irritant at very high concentrations (>25%), but is considered safe in typical cosmetic use levels.
Ratings
Paula's Choice: Good
INCIdecoder: goodie