A deoxyribonucleoside, one of the building blocks of DNA, listed as a hair-conditioning ingredient.
What it is
Deoxycytidine (2'-deoxycytidine) is a deoxyribonucleoside made of the base cytosine linked to the sugar deoxyribose; it is one of the building blocks of DNA. CosIng lists it as a hair-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 reveal whether it was obtained by synthesis or from a biological source.
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.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

