Bromate hair waving

WatanabeT, AbeT, Satoh M, OdaY,TakadaT,YanagiharaT.Two children with bromate intoxication due to ingestion of the second preparation for permanent hair waving. Acta Paediatr Jpn 1992 34(6) 601-605. 

Neutralizing Lotion. The principal active ingredient of cold wave neutralizers is usually an oxidizing agent. The most popular is hydrogen peroxide [7722-84-1J, employed at a concentration of 1—2% it continues to find widespread use. Aqueous solutions of sodium bromate [7789-38-0] at a concentration of 10—20% occasionally are used and are technically preferred over the peroxide formulations because of excellent stabiUty and absence of hair bleaching. Neutralizing powders appear to be on the decline but formulations stiU in use consist of sodium perborate [7632-04-4] combined with hexametaphosphates to improve solubiUty in hard water. 

The neutralizers of hair straighteners are similar to those of permanent-waving products. The thiol-based products usually use an oxidizing system based generally on hydrogen peroxide or sodium bromate, whereas the... 

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