A five-carbon sugar used as a humectant and skin-conditioning ingredient.
What it is
Xylose (D-xylose) is a five-carbon sugar (aldopentose), sometimes called wood sugar, found in plant hemicelluloses. CosIng lists it as a fragrance, humectant and skin-conditioning ingredient.
Where it is used
Found in creams, serums, toners and other moisturising products, sometimes alongside related sugar-based ingredients.
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 plant source or how the sugar was obtained.
Functions
- Humectant
- Retaining and/or preserving the moisture in a product during use.
- Fragrance
- Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
- 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.

