A sodium salt of peroxodisulfuric acid, used as an oxidising agent.
What it is
Sodium persulfate is disodium peroxodisulfate, Na2S2O8, a white crystalline salt and strong oxidising agent. CosIng lists it as an oxidising agent. Persulfates are typically used in hair-lightening products.
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.
Functions
- Oxidising
- Changing the chemical nature of another ingredient by adding oxygen (or removing hydrogen).
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.