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 | Non-aqueous base |
| Typical use level | As a non - aqueous base, it can be evaluated at concentrations above 50% w/w. It is listed in the IID for topical ointments at a concentration of 89% w/w |
| Physical data |
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| Suitable for | |