How does ammonium thioglycolate affect hair?
Nov 6,2024
Introduction
Thioglycolic Acid is an organic compound that contains a thiol group (-SH) and carboxylic acid. It is a colourless liquid. Ammonium Thioglycolate and Thioglycolic Acid are used as hair dyes and colors. Ammonium thioglycollate is a key ingredient in many hair care products, such as hair relaxers, perms, and straightening creams. It is a reducing agent that helps to break down the hair's disulfide bonds, making it easier to achieve desired hair texture, whether straight or curly.
Application
Ammonium thioglycolate is used in Straighteners.
Function: Hair waving/straightening agent; reducing agent.
In salts of Thioglycolic Acid, a dose of ~20 mg/cm2 in emulsion is applied to scalp after applying a 10-fold skin/hair partition factor. Concentration corresponds to a max. of 11% Thioglycolic Acid, pH =9.5. Duration of application is 45 min, frequency is every 8 weeks.
Ammonium thioglycolate is used in Permanent waves
Function: Hair waving/straightening agent; reducing agent
In salts of Thioglycolic Acid, a dose of *20mg/cm2 in a watery solution is applied to the scalp after applying a 10-fold skin/hair partition factor. Concentration corresponds to a max. of 11% Thioglycolic Acid, pH =9.5. Duration of application is 30 min, frequency is every 8 weeks
Advantage
One of the main benefits of using ammonium thioglycollate is that it is less harsh on hair than other chemical treatments, reducing the risk of damage and breakage. It is also known for its ability to create long-lasting and beautiful curls or straight hair.
Note
When using ammonium thioglycollate, following the instructions provided carefully is important to avoid over-processing the hair, which can lead to damage and breakage. The percentage of ammonium thioglycollate needed will vary depending on the desired results and the product used.
References:
[1] CHRISTINA L BURNETT. Final amended report on the safety assessment of Ammonium Thioglycolate, Butyl Thioglycolate, Calcium Thioglycolate, Ethanolamine Thioglycolate, Ethyl Thioglycolate, Glyceryl Thioglycolate, Isooctyl Thioglycolate, Isopropyl Thioglycolate, Magnesium Thioglycolate, Methyl Thioglycolate, Potassium Thioglycolate, Sodium Thioglycolate, and Thioglycolic Acid.[J]. International Journal of Toxicology, 2009, 28 4 Suppl. DOI:10.1177/1091581809339890.
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