An extract of purple willow bark fermented by lactic acid bacteria, listed as an anti-sebum and skin-conditioning ingredient.
What it is
Lactobacillus/Salix purpurea bark ferment extract is, according to CosIng, the extract of the product obtained by fermenting the bark of the purple willow, Salix purpurea, with bacteria of the genus Lactobacillus. CosIng lists it as an anti-seborrhoeic, anti-sebum, oral care 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 exact process conditions or the composition of the extract.
Functions
- Anti-seborrheic
- Preventing or relieving the symptoms of seborrhea and/or seborrheic dermatitis, including dandruff.
- Anti-sebum
- Helping control sebum production.
- Oral care
- Providing cosmetic effects to the oral cavity, e.g. cleansing, deodorising, protecting.
- Skin conditioning – miscellaneous
- Enhancing the appearance of dry and/or damaged skin by reducing flaking and restoring suppleness.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

