What it is
Glycereth-26 is a water-soluble ingredient made by reacting glycerin with about 26 units of ethylene oxide, producing a polyethoxylated glycerin ether. It functions mainly as a humectant that attracts and holds moisture, and it also aids solubilization and gives a non-tacky, lightweight feel. It is common in gel and watery sunscreen and moisturizer textures.
Safety & warnings
Generally well tolerated and not considered a significant irritant or a known fragrance allergen. As with other ethoxylated (PEG-type) ingredients, manufacturers control for trace reaction byproducts during production.
Origin & sourcing
Synthetic; derived from glycerin that has been ethoxylated with ethylene oxide.
Questions everyone asks
What is glycereth-26 used for?
It is primarily a humectant that helps draw and hold moisture, and it also assists solubilization for a light, non-tacky feel.
Is glycereth-26 the same as glycerin?
No. It is glycerin that has been ethoxylated, making it a different, more water-loving PEG-type ingredient.