An amphoteric betaine surfactant made from soybean fatty acids.
What it is
Soyamidopropyl betaine is an amidopropyl betaine whose fatty acid part comes from soybean oil, an amphoteric surfactant. CosIng lists it as a cleansing, hair-conditioning, skin-conditioning and cleansing-surfactant ingredient.
Where it is used
Appears on the ingredient lists of a small number of cleansing 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.
Functions
- Cleansing
- Helping to keep the body surface clean.
- Hair conditioning
- Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
- Skin conditioning
- Maintaining the skin in good condition.
- Surfactant – cleansing
- Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.