also known as glycerol monothioglycolate, is a chemical compound commonly used in hair color and perming solutions. Its primary function is to break the disulfide bonds in the hair's keratin structure, allowing for the reshaping or color penetration process

Thioglycerin, also known as glycerol monothioglycolate, is a chemical compound commonly used in hair color and perming solutions. Its primary function is to break the disulfide bonds in the hair's keratin structure, allowing for the reshaping or color penetration process. Here’s a detailed look at its role in hair coloring:

1. Chemical Properties:

   • Thioglycerin is a thiol compound, which means it contains a sulfur atom. Thiol groups are known for their ability to interact with the disulfide bonds in keratin.

2. Role in Hair Coloring:

   • Bond Breaking: The primary role of thioglycerin in hair coloring is to reduce (break) the disulfide bonds in the hair. Hair is made of keratin, a protein with many disulfide bonds that contribute to its strength and structure. By breaking these bonds, thioglycerin allows the hair to become more pliable and receptive to the color treatment.
   • Color Penetration: Once the disulfide bonds are broken, the hair's cuticle layer opens up. This allows the color molecules to penetrate deeper into the hair shaft, leading to more effective and long-lasting color results.

3. Safety and Considerations:

   • Skin Sensitivity: Thioglycerin can cause skin irritation or allergic reactions in some individuals. It's essential to perform a patch test before using products containing this compound.
   • Hair Damage: While effective, repeated use of thioglycerin can weaken the hair structure due to the continuous breaking and reforming of disulfide bonds. This can lead to dryness, brittleness, and breakage if not managed properly.

4. Usage in Perms:

   • In addition to hair coloring, thioglycerin is also used in perming solutions to break and reform disulfide bonds, allowing for the reshaping of hair into curls or waves.

Use: For hair coloring products (permanent hair dye) to increase stability. Not easy to lose quality when exposed to air

How to mix: mix in water

Product characteristics: light yellow liquid

Solubility: can dissolve in water

Storage: can be stored at room temperature Sealed from sunlight and heat. The product has a minimum shelf life of 2 years.

INCI Name : Thioglycerin