There are two options for women who want to relax their hair. At home kits which are mostly made with calcium hydroxide and relaxers that are mostly made with sodium hydroxide and used by professionals.
How much do you know about at-home relaxing? The at-home relaxer market is quite different from the professional/salon market. The at home relaxer kit was created in 1978 when a chemist who worked for Carson Products Company, Mario de la Guardia, Sr., invented the first no-lye relaxer kit for the brand Dark and Lovely®.
The easy-to-use kit was created for women who could not afford to go to a salon to get their hair straightened. The market has grown to include tons of relaxer options, while staying true to the idea of affordable at-home styling for straight hair.
Most at home kits are calcium hydroxide but are more commonly referred to as “no-lye,” meaning they do not contain sodium hydroxide. The difference between calcium hydroxide and sodium hydroxide is that calcium hydroxide swells the cuticle offering more body, and sodium hydroxide smooths the cuticle, offering less swell for people who have voluminous hair.
PROFESSIONAL/SALON RELAXERS – sodium hydroxide relaxers – The professional/salon market originally used mainly sodium hydroxide products while most professional brands now offer a calcium hydroxide product. Most sodium hydroxide products are sold mostly by manufacturers who cater to the professional cosmetologist.
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