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What chemical is commonly used in hair relaxing treatments?

Ammonia

Sodium hydroxide

Sodium hydroxide is commonly utilized in hair relaxing treatments due to its powerful alkaline properties, which allow it to break down the protein structure in hair. This process is essential for the straightening effect that is desired in hair relaxers. When sodium hydroxide is applied to the hair, it changes the pH level, leading to the swelling of the hair shaft and making it easier to reshape the hair into a straighter form.

While other chemicals like ammonia, hydrogen peroxide, and glyceryl monolaurate are used in various hair treatments and products, they do not specifically serve the same function as sodium hydroxide in the context of relaxing hair. Ammonia is more commonly used in permanent waves or hair color treatments, hydrogen peroxide is primarily used as a bleaching agent, and glyceryl monolaurate is more related to emulsification and conditioning, rather than direct hair relaxing.

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Hydrogen peroxide

Glyceryl monolaurate

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