Propylene Glycol
Fine
Official INCI name
A humectant and solvent used for decades. Fine for most people; a small number with eczema or sensitive skin react to it.
What it does
Humectant. Draws water into the skin or hair and holds it there.
“Propylene Glycol” is its name in the EU glossary of common ingredient names (no. 23303), the names labels in the EU must use. © European Union, EUR-Lex.