An extract of a fermentation product of baker's yeast, used as a skin-conditioning ingredient.
What it is
Yeast ferment extract is, according to CosIng, an extract of the product obtained by fermentation of Saccharomyces cerevisiae, the yeast used in baking and brewing. CosIng lists it as a skin-conditioning agent.
Where it is used
Found in creams, serums, toners 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.
The INCI name does not reveal the growth medium or how the extract was prepared.
Functions
- 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.

