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.
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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 Disulfide Cross-Linked Network Structure of Intermediate Filament and Matrix in Hair and Wool Cortices
Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
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 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 Evaluating the antioxidant effects of human hair protein extracts
Human hair protein extracts can protect skin cells from oxidative stress.
research Crystalline Cataract and Uncombable Hair
The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.
research Permanent waving and hair straightening
Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
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 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 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 A Disulfide‐Sticker Strategy for Marine Adhesive Coatings: From Deciphering Self‐Assembly Mechanism to Functional Application in Hair Regeneration
A new adhesive coating from scallop protein boosts hair growth better than minoxidil.
research Changing the shape of hair with keratin peptides
Keratin peptides can change hair shape gently without harsh chemicals.
research Organization and Expression of Hair Follicle Genes.
Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
research ARCHAEOLOGICAL AND CONTEMPORARY HUMAN HAIR COMPOSITION AND MORPHOLOGY
Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
research In vitro methodology, hormonal and nutritional effects and fibre production in isolated ovine and caprine anagen hair follicles
Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
research Thiol/disulfide homeostasis in patients with telogen effluvium: is oxidative stress important in the pathogenesis of telogen effluvium?
Oxidative stress is likely important in causing telogen effluvium, and antioxidants might help treat it.
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 ELECTRON MICROSCOPE STUDIES OF HAIR AND WOOL
Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
research Analysis of structural changes in permanent waved human hair using Raman spectroscopy
Permanent waving weakens hair by altering its protein structure.
research Proteomic tools for the investigation of human hair structural proteins and evidence of weakness sites on hair keratin coil segments
Hair proteins have weak spots in their α-helical segments.
research Chemical modification of keratin fibers using 2‐iminothiorane hydrochloride
2-iminothiorane hydrochloride improves hair waving permanence without damage.
research Amino Acids, Peptides, and Proteins
The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
research Simultaneous RP-HPLC-DAD determination of dansyl amino acids in chemically treated human hair
A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
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.
research Structural Changes of Hair Keratin by Reduction, Heat and subsequent Oxidation Treatments
DTDG in hair treatments reduces damage and preserves hair structure.
research Ultrasonic and Infrared Hair Treatment: Scientific Justification and Application Practice
Ultrasonic and infrared treatments can improve hair strength and appearance with minimal damage.
research Homo- and heteropolymer self-assembly of recombinant trichocytic keratins
Recombinant keratins can form useful structures for medical applications, overcoming natural keratin limitations.