POTASSIUM SULFITE

Potassium Sulfite is the inorganic salt that conforms to the formula:

Restricted

China · South Korea · Taiwan

Source: MFDS (Korea) cosmetic regulatory information

Argentina · Brazil

• Field of application and/or use : (a) an oxidizer in hair dyes (b) straighteners hair products (c) facial sunless d) Other self-tanning
• Maximum concentration permitted at final product : (a) 0,67% expressed as SO 2free (b) 6.7% expressed as SO 2 free (c) 0.45% expressed as SO 2free d) 0,40% expressed as SO 2free

ASEAN

• Field of application and/or use : (a) Oxidative hair dye products (b) Hair straightening products (c) Self- tanning products for the face (d) Other self- tanning products
• Maximum authorised concentration in the finished cosmetic product : (a) 0.67 % expressed as free SO2 (b) 6.7 % expressed as free SO2 (c) 0.45 % expressed as free SO2 (d) 0.40 % expressed as free SO2
• Other limitations and requirements : For purposes other than inhibiting the development of microorganisms in the product. This purpose has to be apparent from the presentation of the product As a preservative, see Annexe VI, Part 1, No 9

European Union

• Product Type, body parts : (a) Oxidative hair dye products (b) Hair straightening products (c) Self-tanning products for the face (d) Other self-tanning products
• Maximum concentration in ready for use preparation : (a) 0.67% (as free SO2) (b) 6.7% (as free SO2) (c) 0.45% (as free SO2) (d) 0.40% (as free SO2)
• Other : For purposes other than inhibiting the development of micro-organisms in the product. This purpose has to be apparent from the presentation of the product
• Maximum concentration in ready for use preparation : 0.2% (as free SO2)

Restriction III/99 V/9

Source: EU CosIng ingredient list

Reviewed by CIR: Sulfites

Source: US Cosmetic Ingredient Review (CIR)

Reviewed by CIR: Final Report on the Safety Assessment of Sodium Sulfite, Potassium Sulfite, Ammonium Sulfite, Sodium Bisulfite, Ammonium Bisulfite, Sodium Metabisulfite, and Potassium Metabisulfite

Source: US Cosmetic Ingredient Review (CIR)