research Characterization of curved hair of Japanese women with reference to internal structures and amino acid composition.
Japanese women's curved hair has an uneven internal structure and varying amino acid composition.
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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 Hair and amino acids: the interactions and the effects.
Amino acids in conditioners improve hair strength, hydration, and color retention.
research Investigation of Some Amino Acid Analogues and Metabolites as Inhibitors of Wool and Hair Growth
Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
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 Amino Acid Compositions of Human Hair Fibrous Protein Components Purified with Two‐dimensional Electrophoresis
Human hair proteins have similar cysteine and glycine levels to skin proteins.
research An assessment of hair loss ameliorating effect of medicinal plant extracts, amino acid and vitamin complex in human subject
The supplement reduced hair loss and increased hair thickness safely.
research Effect of Liposomes Containing Antioxidant, Phospholipid, and Amino Acid on Skin Regeneration after Chemical Burn
Flamena, a liposomal mix, helps skin heal better after a chemical burn.
research Amino Acid Content of Damaged Human Hair
High temperatures and certain chemicals can significantly change the amino acid content in human hair.
research A prospective real-world study evaluating serum levels of arginine and cysteine in women with chronic telogen effluvium: do we really need blanket prescription of amino acid supplementation?
Amino acid supplements may not be necessary for all women with chronic hair loss.
research Adipocyte-Derived Amino Acid Storage Proteins are Required for Germline Stem Cell Maintenance in Adult Drosophila Females
Amino acid storage proteins are essential for maintaining stem cells in female fruit flies.
research Amino Acids Oral Treatment for the Amelioration of Skin, Hair, and Nails Conditions: An Open-Label Study
Taking an amino acid supplement improved skin, hair, and nail health in women.
research Efficacy and tolerability of an oral supplement containing amino acids, iron, selenium, and marine hydrolyzed collagen in subjects with hair loss (androgenetic alopecia, AGA or FAGA or telogen effluvium). A prospective, randomized, 3‐month, controlled, assessor‐blinded study
The supplement with amino acids, iron, selenium, and marine hydrolyzed collagen improved hair growth more than drug treatment alone, with most people tolerating it well.
research Comment on 'A prospective real world study evaluating serum levels of arginine and cysteine in females with chronic telogen effluvium: do we really need blanket prescription with amino acid supplementation?'
Amino acid supplements may not be necessary for all women with chronic hair loss.
research J. Cosmet. Sci., 59, 263–289 (July/August 2008) Characterization of curved hair of Japanese women with reference to internal structures and amino acid composition
Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
research Replenishing amino acids in damaged hair
Adding amino acids to damaged hair can improve its strength and appearance.
research Amine‐Functionalized Chitosan/dECM Composite Promotes Cutaneous Regeneration and Hair Follicle Activation by Regulating Oxidative Stress and Inflammation
The composite helps hair growth and scalp healing by reducing stress and inflammation.
research Four-amino acid segment in steroid 5 alpha-reductase 1 confers sensitivity to finasteride, a competitive inhibitor.
Four-amino acid part makes enzyme sensitive to finasteride.
research Neuronal model of tactile allodynia produced by spinal strychnine: effects of excitatory amino acid receptor antagonists and a μ-opiate receptor agonist
Disruption of glycinergic circuits increases pain sensitivity, suggesting new pain treatment options.
research Protein and sulphur amino acid nutrition of hair fibre-producing Angora and Cashmere goats
Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
research Inhibitory amino acid transmitters associated with axons in presynaptic apposition to cutaneous primary afferent axons in the cat spinal cord
Presynaptic inhibition of certain nerve fibers in cats is mainly controlled by GABA and glycine.
research Metabolite screening of aromatic amine hair dyes usingin vitrohepatic models
The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
research Hair Amino Acids: Normal Values and Results in Metabolic Errors
Hair amino acid levels can indicate metabolic disorders.
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 Correlation between changes of amino acid spectrum and alopecia in patients with obesity undergoing bariatric surgery: a prospective cohort study
Leucine levels may affect hair loss after bariatric surgery.
research Evaluation effects of essential amino acids and zinc and iron supplementation on the prevention of early hair loss after sleeve gastrectomy
Protein supplements with zinc, iron, and B vitamins reduce hair loss after sleeve gastrectomy.
research Novel shampoo reduces hair shedding by contracting the arrector pili muscle via the trace amine‐associated receptor
New shampoo with tyramine hydrochloride reduces hair loss by making a small muscle in the hair follicle contract.
research Keratin 19: Predicted Amino Acid Sequence and Broad Tissue Distribution Suggest it Evolved from Keratinocyte Keratins.
research Protein and amino acid composition of hair from mice carrying the naked (N) gene
The N gene affects the protein makeup of mouse hair.
research Diameter and Amino Acid Changes in Hair of Negro Children with Protein-Calorie Malnutrition.
Hair diameter can indicate protein status in malnourished children if sample location is controlled.