Living With Propylene Glycol Allergy — The Allergista
So, What is Propylene Glycol?
It’s a clear, ordorless, almost tasteless liquid which freezes at a lower than normal temperature. This is why you’ll usually find it in anti-freeze. Since it’s odorless and pretty tasteless (it’s ever so slightly sweet), PG is perfect for dissolving other chemicals like flavoring into it.
Which Types of Products can Contain Propylene Glycol?
make – up
medicine (oral, injectable & topical)