research Influence of Chemical Straightening on the Stability of Drugs of Abuse in Hair
Chemical hair straightening significantly reduces detectable drug levels in hair.
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research Relaxers Damage Hair: Evidence from Amino Acid Analysis
Hair relaxers are linked to reduced cystine levels and potential hair damage.
research Impact of Acid (Progressive Brush) and Alkaline Straightening on the Hair Fiber: Differential Effects on the Cuticle and Cortex Properties
Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
research Acute Relaxer-Associated Scarring Alopecia: A Report of Five Cases
Hair relaxers can cause lasting scalp damage and hair loss.
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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