๐ฏ At a Glance
๐ฌ How It Actually Works
An ester of polyethylene glycol and stearic acid. It is a workhorse emulsifier used to create smooth, elegant textures in lotions.
๐ Why your skin loves it
Keeps formulas stable and provides a soft, conditioning feel to the skin.
๐ก Pro Tip
Often paired with Glyceryl Stearate.
โ๏ธ Myth vs. Fact
PEGs penetrate the skin and carry toxins into the blood.
PEG-40 is a massive molecule that cannot penetrate the epidermis.