A sticky material obtained by fermenting soy protein with Bacillus natto, used as a film former.
What it is
Natto gum is, according to CosIng, the product obtained from the fermentation of soy protein by Bacillus natto, the bacterium used to make natto, a traditional Japanese fermented soybean food. CosIng lists it as a film-forming ingredient.
Where it is used
Appears on the ingredient lists of a small number of 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 composition of the fermentation product.
Functions
- Film forming
- Producing (upon application) a continuous film on the skin, hair or nails.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

