Propylene Glycol can cause itchy skin, eczema or hives for people who are allergic to it.
Worried You Have a Propylene Glycol (PG) Allergy? 3 Key Questions
Is the propylene glycol in your hair care products making you itch? Although the French Chemist Charles-Adolphe Wurtz didn’t identify propylene glycol (PG) until 1859, today it is a widely…