Final answer:
Glyceryl Monothioglycolate (GMTG) is a compound used in hair straightening and perming products. It is a derivative of glycerol with a thiol group attached to one of the hydroxyl groups.
Step-by-step explanation:
Glyceryl Monothioglycolate (GMTG) is a compound that falls under the subject of Chemistry. It is a derivative of glycerol, which is a simple polyol compound commonly found in lipids known as glycerides. GMTG has a thiol group attached to one of the hydroxyl groups of glycerol. It is used in various applications, such as hair straightening and perming products.