Potassium Sulfite

Potassium Sulfite

AKA “Dipotassium sulfite, Potassium sulphite, Sulfurous acid, dipotassium salt, Potassium sulfite (K2SO3), UNII-015KZC652E, potassium salt”

Synthetic

Ingredient Facts

Potassium sulfite

AKA: Dipotassium sulfite, Potassium sulphite, Sulfurous acid, Dipotassium salt, Potassium sulfite (K2SO3), UNII-015KZC652E, Potassium salt

Synthetic · Antioxidant · EWG: 4

Synthetic

Antioxidant

Preservative

Medicated Active

Synthetic

Clean

A gentle preservative that keeps products fresh while helping to maintain smooth, straight hair. It also protects the formula from oxidation, ensuring consistent results over time.

Solubility White crystals or crystalline powder; sol in about 3.5 parts water; decomposed by diluted acids with evolution of sulfur dioxide; pH about 8 /dihydrate/

Formula

K2O3S

Mol. Weight

158.26

CAS #

10117-38-1, 23873-77-0

Form

Powder

State

Liquid

See origin →

Functions

Antioxidant

Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.

Hair Waving Or Straightening

Preservative

Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.

Reducing

Neutralizes Free Radicals

Traditional Use

A salt preservative developed in the 19th century for food and cosmetic use. Functions as an antioxidant and antimicrobial agent to prevent product degradation and microbial growth.