6 citations
,
June 1994 in “Journal of Animal Science” None of the tested compounds created a permanent mark on cattle.
29 citations
,
August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
January 2024 in “Uttar Pradesh journal of zoology” Chemical treatments severely damage hair cuticles, especially in previously treated hair.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
January 2026 in “Colloids and Surfaces B Biointerfaces” A silicone treatment makes damaged hair more water-resistant and stronger.
Natural α-hydroxyl acids cause skin exfoliation by activating TRPV3 channels.
36 citations
,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
October 2023 in “Materials chemistry and physics (Print)” Adding keratin to a mix of cow hair and plant-based plastic makes it stronger.
10 citations
,
December 2023 in “International Journal of Nanomedicine” Cell membrane-coated nanoparticles could improve gene therapy by enhancing delivery and targeting of nucleic acids.
1 citations
,
October 2009 in “International Journal of Cosmetic Science” A new keratin treatment can strengthen and protect aging hair.
1 citations
,
January 1998 in “Cosmetics and toiletries” Both amodimethicone and dimethicone copolyol amine are effective hair conditioners.
3 citations
,
May 2009 in “International Journal of Cosmetic Science” Relaxer treatments damage African–American hair, with commercial products causing more harm than lab-made solutions.
Thermal straightening can damage ethnic hair and may pose health risks.
17 citations
,
January 2016 in “Journal of Drug Delivery” PEG and keratin scaffolds can effectively deliver protein drugs by controlling release based on pH levels.
8 citations
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October 2014 in “Journal of analytical toxicology.” Chemical hair straightening significantly reduces detectable drug levels in hair.
January 2018 in “Refubium (Universitätsbibliothek der Freien Universität Berlin)” New nanocarriers were developed for safer, targeted drug delivery and diagnostics, showing promise for future medical use.
December 2021 in “Journal of natural fibers” The conclusion is that new methods for isolating hair cuticle cells and removing the cuticle layer are effective and convenient.
February 2022 in “Cosmetic Dermatology” Permanent hair waving uses chemicals to create long-lasting curls.
7 citations
,
March 2013 in “Tetrahedron Letters” New method makes important drug ingredients more easily without needing extra purification steps.
2 citations
,
October 2023 in “Philosophical transactions - Royal Society. Biological sciences” Enzymes that change arginine to citrulline are important for skin barrier and hair formation, and their malfunction can lead to skin conditions and hair disorders.
1 citations
,
December 2022 in “Middle East Journal of Science” Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
4 citations
,
November 2022 in “Journal of biomedical materials research. Part B, Applied biomaterials” Human hair proteins, especially keratins, can protect cells from oxidative stress in lab settings.
85 citations
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July 2025 in “Nature Communications” Nanozymes greatly improve biocatalysis by being stable, efficient, and versatile.
January 1991 in “Acta Dermato Venereologica” A new method effectively visualizes keratin in hair without harsh chemicals.
7 citations
,
September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
3 citations
,
January 1989 in “Journal of Japan Oil Chemists Society” AMT is the best surfactant for hair and scalp care.
18 citations
,
February 2025 in “Macromolecular Rapid Communications” Thermo-responsive polymers in nanoparticles enable targeted drug delivery and advanced therapies by releasing drugs at specific temperatures.
10 citations
,
February 2018 in “Royal Society Open Science” Modified wheat protein in shampoo repairs and smooths damaged hair effectively.
November 2025 in “International Journal of Science and Research Archive” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
12 citations
,
March 2023 in “Pharmaceutics” Gas-propelled dissolving microneedles improve drug loading and delivery efficiency.