research The Effects of the Chemical Relaxer Lye on Hair Cortisol Concentrations
Lye relaxers don't significantly change hair cortisol levels.
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5 / 122 resultsresearch The pH of lye and no-lye hair relaxers, including those advertised for children, is at levels that are corrosive to the skin
This study found that the pH levels of relaxers tested were corrosive to the skin and may contribute to alopecia in females with afro-textured hair.
research Acute ‘relaxer’-associated scarring alopecia: a report of five cases
This report describes five patients who experienced hair loss with discomfort and scarring after undergoing salon hair relaxer treatments, regardless of whether 'lye' or 'no lye' products were used.
research ‘Relaxers’ damage hair: Evidence from amino acid analysis
Hair relaxers are linked to reduced cystine levels and potential hair damage.
research Cuticular damage to African–American hair during relaxer treatments – A microfluorometric and SEM Study
This study investigated the effects of different relaxer treatments on African-American hair, finding lab-made relaxer solutions caused less damage to hair topography than commercial systems.
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