Propylene glycol
Propylene glycol finds major use in topical formulations as a humectant, penetration enhancer and as an anhydrous or non-aqueous base. It is also a good solvent for corticosteroids, vitamins
Propylene glycol
| Propylene glycol | |
|---|---|
| Primary function | Penetration enhancer |
| Typical use level | Usage levels may vary depending on the formulation, but can be in the range of 5 - 10% w/w, or even higher than that |
| Physical data |
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| Suitable for | |