PEG-9M
PEG-9M is a polyethylene glycol polymer, also known as a PEG: a substance made of many repeating ethyleneoxy units. Rather than a plant extract or an oil, it is a synthetic chain used to adjust the physical behaviour of a cosmetic preparation.
PEG-9M: what it is
PEG-9M is a polyethylene glycol polymer, also known as a PEG: a substance made of many repeating ethyleneoxy units. Rather than a plant extract or an oil, it is a synthetic chain used to adjust the physical behaviour of a cosmetic preparation.
The name PEG-9M distinguishes this version from other polyethylene glycols through its comparatively high average chain size. That detail shows that it is a polymer rather than one fixed-size molecule, and helps distinguish PEG-9M from other members of the same family found in cosmetics.
PEG-9M: what it does in cosmetics
In cosmetics, PEG-9M helps an emulsion stay more uniform and helps control viscosity. In practical terms, it can support a lotion, gel, or cream in keeping a more stable consistency instead of becoming overly runny or separating into phases more easily.
It can also support cohesion among the components of the preparation. This work concerns the formula's texture and stability, not a treatment effect on skin or hair. Seeing PEG-9M on a label therefore does not, by itself, establish an action against acne, wrinkles, dark spots, or another dermatological condition.
Products containing this ingredient
See which products include it and the name used in each composition.
