Sodium bromate is mainly used in continuous or batch dyeing processes involving sulfur or vat dyes and as a hair-permagent, chemical agent, or gold solvent in gold mines when used with sodium bromide.

Sodium bromate, the inorganic compound with the chemical formula of NaBrO3, is the sodium salt of bromic acid. It is a strong oxidant. 

Based on the test concentrations reported, it is concluded that Sodium Bromate and Potassium Bromate are safe in cosmetic permanent wave formulations at concentrations not to exceed 10.17%, mea- sured as Sodium Bromate.

Potassium bromate has been used as a food additive for over 80 years. When added to dough, it stiffens the bread and helps prevent falling of the dough. ... In addition, in 1991, California declared bromate a carcinogen under the state's Proposition 65.

SODIUM BROMATE LR