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An inorganic salt used as an oxidizing agent, primarily in hair perming and straightening solutions to reform disulfide bonds after they have been broken.
No specific concern data available
Safety summary
Considered safe for professional use in hair treatments at specified concentrations. Can be irritating and is toxic if ingested. Its use is restricted or banned in some regions due to safety concerns.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.