An addition compound of sodium carbonate and hydrogen peroxide, used as an oxidising agent and regulated in Annex III.
What it is
Sodium carbonate peroxide (sodium percarbonate) is an addition compound of sodium carbonate and hydrogen peroxide that releases hydrogen peroxide when dissolved in water. CosIng lists it as a deodorant and oxidising ingredient. In the EU it is covered by the Annex III entry (substances subject to restrictions) for hydrogen peroxide and compounds that release it.
Where it is used
Found in 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.
See the EU regulation section for the applicable limits and conditions; according to the Annex III entry, they are expressed as hydrogen peroxide released, differ by product type and include labelling warnings.
Functions
EU regulation
- Product type
- (a) Hair products (b) Skin products (c) Nail hardening products (d) Oral products, including mouth rinse, tooth paste and tooth whitening or bleaching products (e) Tooth whitening or bleaching products (f) Products intended for eyelashes
- Maximum concentration
- (a) 12 % of H2O2 (40 volumes), present or released (b) 4 % of H2O2, present or released (c) 2 % of H2O2, present or released (d) ≤ 0,1 % of H2O2, present or released (e) > 0,1 % ≤ 6 % of H2O2, present or released (f) 2 % of H2O2, present or released
- Conditions and warnings
- (a) (f) Wear suitable gloves (a) (b) (c) (e) Contains hydrogen peroxide Avoid contact with eyes Rinse immediately if product comes into contact with them. (e) Concentration of H2O2 present or released indicated in percentage. Not to be used on a person under 18 years of age. To be only sold to dental practitioners. For each cycle of use, the first use to be only done by dental practitioners or under their direct supervision if an equivalent level of safety is ensured. Afterwards to be provided to the consumer to complete the cycle of use. f) To be printed on the label: ‘For professional use only. Avoid contact with eyes. Rinse eyes immediately if product comes into contact with them. Contains hydrogen peroxide
- As of
- 3 November 2026 · (EU) 2019/831