Dried buttermilk from cow's milk, used for hair and skin conditioning.
What it is
Butyris lac powder is dried buttermilk, obtained by dehydrating the liquid left after churning cow's milk or cream into butter. CosIng lists it as a hair-conditioning and skin-conditioning ingredient.
Where it is used
Found in a small number of products, such as soaps, masks 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.
Functions
- 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.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.