research Cuticular damage to African–American hair during relaxer treatments – A microfluorometric and SEM Study
Relaxer treatments damage African–American hair, with commercial products causing more harm than lab-made solutions.
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150-180 / 1000+ resultsresearch The Effects of the Chemical Relaxer Lye on Hair Cortisol Concentrations
Lye relaxers don't significantly change hair cortisol levels.
research ‘Relaxers’ damage hair: Evidence from amino acid analysis
Hair relaxers are linked to reduced cystine levels and potential hair damage.
research The pH of lye and no-lye hair relaxers, including those advertised for children, is at levels that are corrosive to the skin
Lye and no-lye hair relaxers can damage skin.
research Acute ‘relaxer’-associated scarring alopecia: a report of five cases
Hair relaxers can cause lasting scalp damage and hair loss.
research Mechanism of hair straightening
Hair can be straightened using different chemicals, not just strong alkali.
research The Oxidative Degradation of Keratin (Wool and Bovine Hair)
Oxidizing agents break down keratin in wool and hair, causing swelling and increased solubility.
research A New Permanent Straightening Process of Human Hair Using the Water Set
The new hair straightening method keeps hair straight permanently by using specific creams and heat.
research Abstracts: Reduction‐induced surface modification of human hair
Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
research Internal structure changes in bleached black human hair resulting from chemical treatments: A Raman spectroscopic investigation
Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
research Distribution and Localization of Hydrophobic and Ionic Chemical Groups at the Surface of Bleached Human Hair Fibers
Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
research The Viscoelastic Properties of Chemically Modified alpha-Keratins in Human Hair
Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
research Dispelling myths of chemical hair relaxers causing uterine cancer
Chemical hair relaxers are not proven to cause uterine cancer.
research Chemical relaxers and curlers: Hidden danger
Continuous use of hair relaxers and curlers can cause hair loss, dryness, dandruff, thinning, greying, and split ends.
research Structural Changes of Hair Keratin by Reduction, Heat and subsequent Oxidation Treatments
DTDG in hair treatments reduces damage and preserves hair structure.
research Analysis of structural change in keratin fibers resulting from chemical treatments using Raman spectroscopy
Chemical hair straightening changes hair proteins and mostly fixes broken bonds.
research Let’s not split hairs
A new method strengthens hair without using harmful chemicals.
research Hair perms/straighteners and styling agents
Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
research Chemical Reactions Occurring in Curing Treatment for Permanent Hair Straightening Using Thioglycolic and Dithioglycolic Acids
Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.
research Formaldehyde replacement with glyoxylic acid in semipermanent hair straightening: a new and multidisciplinary investigation
Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.
research Alkylation of human hair keratin for tunable hydrogel erosion and drug delivery in tissue engineering applications
Alkylation of human hair keratin allows for adjustable drug release rates in hydrogels for medical use.
research Can hair be protected from oxidative damage during and after bleaching
L-arginine, hydrolysed keratin, and cystine-silanol copolymer can help protect hair from damage during and after bleaching.
research Hydrolyzed Hair Keratin
research What do we need to know about hair straightening?
Modern hair straightening improves manageability and strength while maintaining natural waves.
research Chemical modification of keratin fibers using 2‐iminothiorane hydrochloride
2-iminothiorane hydrochloride improves hair waving permanence without damage.
research Temporary Chemical Depilation
Chemical hair removal can cause skin irritation and other issues, but natural alternatives are being explored.
research The effects of hydrophobic modifications on the interaction of human hair with water
Hydrophobic modifications make human hair less affected by water.
research The swelling behaviour of hair studied through the structural change of keratin protein during the permanent waving treatment
Hair structure changes immediately during perm treatment, with initial damage partially restored later.
research In vitro evaluation of changes of hair fibers subjected to oxidation-reductive straighteners associated with dyeing
Straightening and dyeing damage hair structure.
research Permanent Hair Waving
Permanent hair waving uses chemicals to create long-lasting curls.