Potassium Metabisulfite
Used in cosmetic products as hair waving or straightening, preservative and reducing. Potassium Metabisulfite is an inorganic salt.
- Allowed with restrictions, Annex III/99
- Allowed preservative, Annex V/9
Annex III/99: (a) 0.67% (as free SO2) / (b) 6.7% (as free SO2) / (c) 0.45% (as free SO2) / (d) 0.40% (as free SO2) | Annex V/9: 0.2% (as free SO2)
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
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Potassium Metabisulfite suppliers
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Frequently asked questions
What is Potassium Metabisulfite used for in cosmetics?
Potassium Metabisulfite is used in cosmetic products as hair waving or straightening, preservative and reducing. Potassium Metabisulfite is an inorganic salt.
Is Potassium Metabisulfite restricted in cosmetics in the EU?
Potassium Metabisulfite is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex III/99 (allowed with restrictions), Annex V/9 (allowed preservative). Annex III/99: (a) 0.67% (as free SO2) / (b) 6.7% (as free SO2) / (c) 0.45% (as free SO2) / (d) 0.40% (as free SO2) | Annex V/9: 0.2% (as free SO2) Always check the full annex entry for the conditions of use.
What is the CAS number of Potassium Metabisulfite?
Potassium Metabisulfite is listed with CAS numbers 16731-55-8 and 4429-42-9 and EC number 240-795-3.
Where can I buy Potassium Metabisulfite?
8 suppliers list Potassium metabisulfite on CompoundList. Compare them below or post a buy request with your grade and quantity.