research Analysis of Cysteine on the Surface of Hair Fibers with Spectrofluorescence
Cysteine formation on hair indicates damage, best detected at pH 4.5.
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research Study on modification of rabbit hair fibers with L-cysteine
L-cysteine and ultrasound successfully improved rabbit hair fibers for industrial use.
research Reduction mechanism of L ‐cysteine on keratin fibers using microspectrophotometry and Raman spectroscopy
L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
research The physical and chemical disruption of human hair after bleaching – studies by transmission electron microscopy and redox proteomics
Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
research Solubility of Structurally Complicated Materials: 3. Hair
Hair is hard to dissolve because of its complex proteins, but certain solvents that break specific bonds and hydrate can do it.
research Structural changes in trichocyte keratin intermediate filaments during keratinization
Keratin structure changes during keratinization, but the exact model remains uncertain.
research Photoinduced formation of thiols in human hair
UV exposure damages hair, increasing thiols and altering protein structure.
research Copper and calcium uptake in colored hair
Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
research Keratin
Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
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 Damage limitation: comparing the impact of polymers on bleached hair, when applied within or as post-bleach treatments
Polymers help reduce damage and improve bleached hair when used during or after bleaching.
research Key locations of oxidative damage in human hair keratins after heat and ultraviolet light exposure
Heat and UV exposure damage hair structure by altering keratins.
research Analysis of heterogeneous reaction between reducing agents and keratin fibers using Raman spectroscopy and microspectrophotometry
The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
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 EFFECTS OF HUMAN HAIR KERATIN ALKYLATION ON GROWTH FACTOR DELIVERY AND CELLULAR RESPONSE: IMPLICATIONS IN BONE REGENERATION
Alkylated keratin from human hair can help deliver growth factors for bone healing.
research Cysteine Prevents the Reduction in Keratin Synthesis Induced by Iron Deficiency in Human Keratinocytes
Cysteine helps maintain keratin production in skin cells even when iron is low.
research Convergent Evolution of Cysteine-Rich Keratins in Hard Skin Appendages of Terrestrial Vertebrates
Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
research Chemoprevention of smoke-induced alopecia in mice by oral administration of l-cystine and vitamin B6
Taking L-cystine and vitamin B6 can prevent hair loss caused by smoke in mice.
research Chemoprevention of doxorubicin-induced alopecia in mice by dietary administration of l-cystine and vitamin B6
L-cystine and vitamin B6 at high doses prevented hair loss in mice treated with a chemotherapy drug.
research L-Cystine-Containing Hair-Growth Formulation Supports Protection, Viability, and Proliferation of Keratinocytes
The hair-growth formula with L-cystine helps protect and grow hair cells.
research Into the redox control: N-acetyl-cysteine pleiotropic effects from the laboratory to clinical applications
N-acetyl-cysteine shows promise in treating various diseases and may improve skin and hair conditions, but more research is needed on dosages and long-term effects.
research Influence of Amino Acids on the Hair Structure Before and During Chemical Treatments
Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
research Application of XANES profiles to X-ray spectromicroscopy for biomedical specimens: Part II. Mapping oxidation state of cysteine in human hair
Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
research Effects of the Usage of l-Cysteine (l-Cys) on Human Health
L-Cysteine may have health benefits, but its effectiveness is still debated due to limited clinical trial data.
research Biology of Human Hair: Know Your Hair to Control It
Understanding hair biology is key to developing better treatments for hair and scalp issues.
research Evaluating the antioxidant effects of human hair protein extracts
Human hair protein extracts can protect skin cells from oxidative stress.
research Intermolecular disulfide cross-linked structural change induced by permanent wave treatment of human hair with thioglycolic acid.
Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
research ELECTRON MICROSCOPE STUDIES OF HAIR AND WOOL
Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
research The effect of dietary modulation of sulfur amino acids on cystathionine β synthase–deficient mice
Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.
research Charge density alterations in human hair fibers: an investigation using electrostatic force microscopy
The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.