A butyrylated derivative of hyaluronic acid as a sodium salt, listed as a humectant and skin-conditioning ingredient.
What it is
Sodium butyroyl hyaluronate is, according to CosIng, the sodium salt of the product of the reaction of butyric acid with hyaluronic acid, so that some hydroxyl groups of the hyaluronic acid chain carry butyryl groups. CosIng lists it as a humectant and skin-conditioning 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 molecular weight or the degree of substitution.
Functions
- Humectant
- Retaining and/or preserving the moisture in a product during use.
- Skin conditioning
- Maintaining the skin in good condition.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.