A polysaccharide gum produced by bacterial fermentation, used as a film-forming and thickening ingredient.
What it is
Rhizobian gum is, according to CosIng, the polysaccharide gum produced by fermentation with Rhizobium bacteria. CosIng lists it as a film-forming, hair-fixing, plasticising and viscosity-controlling ingredient.
Where it is used
Found in serums, creams and other skin care products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The INCI name does not show the molecular weight of the gum.
Functions
- Film forming
- Producing (upon application) a continuous film on the skin, hair or nails.
- Hair fixing
- Permitting physical control of hair style.
- Plasticiser
- Softening and making supple synthetic polumers that otherwise could not be easily deformed, spread or worked out.
- Viscosity controlling
- Increasing or decreasing the viscosity (thickness) of cosmetics.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

