C
Propylene Glycol
Propylene Glycol
humectant
A synthetic humectant and penetration enhancer. Effective but can irritate sensitive skin. Being replaced by propanediol (plant-derived alternative) in many modern formulations.
Benefits
Humectant, penetration enhancer, preservative booster
Risks & concerns
Can irritate sensitive skin. Mild allergen for some (rare). Being phased out in favour of propanediol.
Best for
Normal skin Oily skin Combination skin
Avoid if
Sensitive skin
Technical details
- INCI name
- Propylene Glycol
- CAS Number
- 57-55-6
- Category
- humectant
- Comedogenic rating
- 0/5