research Polyphenol–Inorganic Sulfate Complex-Enriched Straightening Shampoo for Reinforcing and Restoring Reduced Hair Integrity
The shampoo straightens hair while keeping it healthy and less damaged.
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research Structural changes of hair shaft after application of chemical hair straighteners: Clinical and histopathological study
Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
research Cytotoxic Evaluation of Hair Relaxers and Straighteners Actives in Human-Derived Skin Cells
Hair relaxers and straighteners can be toxic to skin cells.
research Mechanical characterization of curly hair: Influence of the use of nonconventional hair straightening treatments
Formaldehyde damages curly hair more than glyoxylic acid.
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 Influence of Chemical Straightening on the Stability of Drugs of Abuse in Hair
Chemical hair straightening significantly reduces detectable drug levels in hair.
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 Development of hair treatment as a natural alternative to chemical straightening
A natural hair treatment alternative to chemical straightening is being developed to reduce health risks.
research Relaxing/straightening of Afro‐ethnic hair: historical overview
Afro-ethnic hair can be straightened using chemical and heat methods.
research Biomechanics of chemically treated hair for continuous 1D strands
NaOH treatment improves hair strength and suitability for textiles.
research Protective effect of conditioning agents on Afro‐ethnic hair chemically treated with thioglycolate‐based straightening emulsion
Conditioning agents, especially jojoba oil and lauryl PEG/PPG-18/18 methicone, protect and strengthen chemically straightened Afro-ethnic hair.
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 DSC-investigations of alpha-keratins and the specific effects of chemical treatments on human hair
Chemical treatments weaken hair's thermal stability and structure.
research Restoration Mechanism of Hair Using Hematin as Treatment Agent
Hematin in shampoo helps repair and straighten damaged hair.
research What do we need to know about hair straightening?
Modern hair straightening improves manageability and strength while maintaining natural waves.
research Thermal Modifications of Ethnic Hair
Thermal straightening can damage ethnic hair and may pose health risks.
research Influence of Amino Acids on the Hair Structure Before and During Chemical Treatments
research Brazilian keratin hair treatment: a review
Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
research Association of cicatricial alopecia with chemical hair straightening
Chemical hair straightening may be linked to a type of permanent hair loss.
research When Beauty Turns Toxic: Acute Contact Dermatitis and Kidney Injury Following Hair Straightening
Hair straightening products with glyoxylic acid can cause skin irritation and kidney damage.
research Not always “straight ahead” – A surprising cause of acute kidney injury
Hair straightening treatments can cause serious kidney damage, especially if you have skin issues.
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.
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 Comparison of damage to human hair fibers caused by monoethanolamine- and ammonia-based hair colorants.
Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
research Permanent Hair Waving
Permanent hair waving uses chemicals to create long-lasting curls.
research Proteins as Hair Styling Agents
Proteins like BSA and keratin can effectively style hair and protect it, offering eco-friendly alternatives to chemical products.
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 Amino Acid Content of Damaged Human Hair
High temperatures and certain chemicals can significantly change the amino acid content in human hair.
research Green chemistry method for hair strengthening and setting using visible light-mediated protein crosslinking
New eco-friendly method strengthens and sets hair using light and causes less damage.
research Research on Hair Bleach that Causes Less Hair Damage and Smells Less Pungent than Ammonium Hydroxide
AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.