PPG-5-CETETH-20
PPG-5-CETETH-20 is a synthetic polymer made of a cetyl portion linked to oxypropylene and oxyethylene segments. This arrangement brings together a part that associates with oil and others that interact more readily with water, which is useful when both need to remain combined in a cosmetic product.
PPG-5-CETETH-20: what it is
PPG-5-CETETH-20 is a synthetic polymer made of a cetyl portion linked to oxypropylene and oxyethylene segments. This arrangement brings together a part that associates with oil and others that interact more readily with water, which is useful when both need to remain combined in a cosmetic product.
The full name matters because it identifies this particular combination within a family of polymers containing cetyl ethers. PPG-5-CETETH-20 is not interchangeable with similarly named PPG-4-Ceteth variants, since the designation refers to a different average composition of segments in the chain.
PPG-5-CETETH-20: what it does in cosmetics
In cosmetics, PPG-5-CETETH-20 helps combine water with oily materials that would otherwise separate. In practical terms, it can support a more even-looking emulsion and help a lotion, cleansing oil, or similar product spread consistently during use.
It can also take part in cleansing in rinse-off products. As a surfactant, it helps water contact oily residue so that it can be carried away on rinsing; that role alone does not make it a treatment ingredient for skin or hair.
Products containing this ingredient
See which products include it and the name used in each composition.

