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This study found that a sucrose-based crosslinker can effectively straighten hair and maintain durability in high humidity and through repeated washings without affecting the hair's tensile properties or causing surface damage.

In this study, researchers found that L-cysteine interacted electrostatically with anionic ions on the surface of keratin fibers in human hair, reducing the rate of disulfide bond disconnection at pH 9.0.

This study found that applying a solution containing oil-soluble vitamin C to damaged hair improved hair cuticle condition and water repellency, suggesting a new cosmetic function beyond its known skin whitening effects.

In this study, researchers observed that using an Avena strigosa seed extract on chemically damaged hair significantly improved hair properties, including strength, gloss, and surface quality, by reinforcing keratin bonding and sealing cuticle damage.

This review discusses the role of diet in managing hair loss during menopause and reports no new clinical results; it highlights the importance of nutrients like sulfur amino acids, vitamins, and minerals.

This study found that a conditioner containing 18-MEA and SPDA can improve hair's smoothness and reduce flyaways, enhancing hair manageability.

This study identified the same N-terminal and C-terminal amino acids in human and horse hair as previously found in wool and feather keratin.

This study found that certain tandem repeats predict darker hair color across diverse ancestry groups and can contribute to a polygenic score for hair color, independent of SNP variation.

The researchers reported that an oral supplement containing hydrolysed fish-origin collagen, taurine, cysteine, methionine, iron, and selenium significantly improved the effectiveness of anti-hair loss treatments in people with androgenic alopecia or chronic telogen effluvium after 12 weeks, compared to drug treatments alone.

This study found that a compound additive improved the growth and fur quality of blue foxes, with a 28.7% increase in weight gain and longer pelt lengths compared to the control group.

This study found that protein supplements combined with micronutrients reduced hair loss more effectively after sleeve gastrectomy in women, compared to routine multivitamins alone.

This study found that Naked trait mice exhibit a decrease in certain low-molecular-weight proteins in their hair, which contain high levels of glycine and tyrosine, compared to normal mice.

This research explored potential mechanisms for the toxicity of mimosine but did not identify a conclusive reason for its adverse effects.

This study found that fish oil supplementation in male Wistar albino rats helped maintain hair shaft structure and improved amino acid composition, while reducing harmful protein compounds associated with diabetes and hypercholesterolemia.

This study found that incorporating CTA2-BADG, a modified hair-rebonding compound, into damaged hair significantly improved surface morphology and tensile strength by using charge-conversion chemistry to enhance penetration into the hair shaft.

In a study using female Wistar rats, the researchers found that a liquid allantoin-enriched pectin hydrogel significantly improved wound healing, achieving a 71.43% reduction in healing time and complete wound closure in 15 days.

In this study on C57BL/6 mice, researchers found that cadmium chloride exposure led to metabolic disruption, accelerated skin aging, and impaired hair regeneration, with more severe effects observed at higher doses.

This study found that zinc is primarily located in the tails of mature rat sperm, associated with -S-S-bonded structures, and suggests a possible similarity in zinc interactions between sperm keratin and hair proteins.

This study found that high wool-producing Wan Strain Angora rabbits had higher hair follicle density and identified potential regulatory long noncoding RNAs that may influence this trait.

This study found that senior dogs fed amino acid-complexed and lysine-glutamic acid-complexed trace minerals had longer, faster-growing hair and increased activity compared to those fed inorganic trace minerals.

This study found that Wan strain Angora rabbits with high wool production had higher hair follicle density and identified five long noncoding RNAs as potential regulators of this trait.

This study found that a combined intake of enzyme food and collagen significantly improved various aspects of hair health in middle-aged women compared to taking either supplement alone or none.

This study found that a novel thiohydantoin derivative, 3a, effectively inhibited androgen receptor activity in LNCaP cells and showed promising in vivo results by reducing testosterone-induced prostate changes, outperforming finasteride in mitigating prostate index and histopathological alterations.

In this study, distinct metabolic profiles were identified in women with PCOS, suggesting potential biomarkers for diagnosis based on changes in lipid and androgen metabolism.

This study found that the alkaline degradation process of hair keratin using nucleophilic reagents led to different proportions of reaction products compared to wool, particularly more lanthionine and lysinoalanine residues.

This study utilized a fluorescence probe to evaluate cysteine formation on hair fibers, finding that optimal fluorescence emission occurred at pH 4.5.

This study found that Cynatine HNS significantly improved hair and nail health in women after 90 days compared to placebo.

This article describes the efficient synthesis of (S)-N-(2-bromo-6-methoxypyridin-4-yl)-2-hydroxy-2,4-dimethylpentanamide, a novel topical antiandrogen, with high purity and enantiomeric excess but reports no pharmacological results.

Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.

This study found that patients with hidradenitis suppurativa had lower trabecular bone score and total hip bone mineral density compared to controls, with a high prevalence of vitamin D deficiency.