Systems under fixed length: 1  Denier = Weight in grams of 9,000 metres. 2  Tex = Weight in grams of 1,000 metres. 3  Decitex = Weight in grams of 10,000 metres.
Medical Definition of THIOGLYCOLATE. : a salt or ester of thioglycolic acid.
Ammonium thioglycolate is a chemical used to straighten hair. This chemical is much less damaging to the scalp and hair than others and is also much less smelly. Its function is to make follicles more permeable and break up the disulfide bonds that make curls.