Pentylene Glycol
Fine
Official INCI name
A humectant that also helps preserve the formula, so less of a traditional preservative is needed.
What it does
Humectant. Draws water into the skin or hair and holds it there.
“Pentylene Glycol” is its name in the EU glossary of common ingredient names (no. 20443), the names labels in the EU must use. © European Union, EUR-Lex.