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The scalp can suffer severe chemical burns if over exposed to lye or no-lye relaxers. A lye relaxer consists of sodium hydroxide (also known as NaOH or lye) mixed with water, petroleum jelly, mineral oil, and emulsifiers to create a creamy consistency. On application, the caustic "lye cream" permeates the protein structure of the hair and ...
Sodium hydroxide is used in some relaxers to straighten hair. However, because of the high incidence and intensity of chemical burns, manufacturers of chemical relaxers use other alkaline chemicals in preparations available to consumers. Sodium hydroxide relaxers are still available, but they are used mostly by professionals.
Relaxers/chemical straightening - Chemical relaxers break hair’s disulfide bonds. Lye relaxers contain sodium hydroxide, while non-lye relaxers contain calcium hydroxide and can be used on more sensitive scalps.
And hair relaxers were a means to be able to do that." Techniques for hair straightening include towel drying, blow drying, using a flat iron, and applying straightening chemicals known as relaxers.
Lawsuits alleging harm from popular hair straighteners are amplifying concerns about the products raised by scientists and the government.
The conversation regarding using chemical hair relaxers is complex, as societal pressures about appropriate hairstyles for Black women, especially in professional settings, ...