Pentylene Glycol is a multi-functional ingredient - humectant, solvent with anti-bacteria properties, derived synthetically.
What are the benefits?
A multi-functional, silky feeling helper ingredient that can do quite many things. It's used as an emulsion stabilizer, solvent and a broad spectrum antimicrobial. According to manufacturer info, it's also a moisturiser and helps to make the product feel great on the skin. It works synergistically with preservatives and helps to improve water-resistance of sunscreens.