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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 chemically modifying hair with 2-iminothiorane hydrochloride improved the permanence of hair setting without damaging the hair by increasing disulfide bonds.

This study observed that mercury-lamp irradiation may cause cleavage of disulfide bonds in keratins of white hair, leading to the formation of thiols in laboratory settings.

This study found that keratin derivatives with functionalized thiol groups improved binding to both natural and bleached hair fibers, suggesting a promising strategy for enhancing keratin's durability in hair repair.

This study found that Atlantic croaker nuclear androgen receptors AR1 and AR2 have different binding affinities for androgens, suggesting that they may mediate distinct physiological actions in teleosts.

This study found that at pH 9.0, CYS penetrated less and caused less damage to virgin human hair than TG because it barely reached the cortex region.

This study found that Samhwang-Sasimtang herbal extract may enhance hair growth in mice, as indicated by increased hair follicle activity and reduced growth inhibition factors compared to a control.

This study found that excessive heat caused the most significant structural changes in hair from Caucasian and Afro samples, especially when combined with other treatments like bleaching and straightening.

This study indicates that Samhwang-Sasimtang ethanol extract may promote hair growth in a mouse model, showing stronger effects than a control but less than 3% minoxidil.

This study found that patients with alopecia areata had increased levels of serum immunoglobulin E and interleukin-13 compared to healthy controls, with additional variation in levels observed across age and weight.

This study found that spironolactone reduced serum androstenedione and anagen hair shaft diameter in hirsute patients but did not significantly alter unbound testosterone levels, suggesting its effects are primarily peripheral.

This study evaluated quercetin's potential as a treatment for cats with Feline Atopic Skin Syndrome, finding it significantly reduced clinical scores in certain symptom groups like Head-and-Neck Pruritus and Miliary Dermatitis, although improvements in oxidative stress markers were not clearly significant.

In this study, significant improvements in skin density and thickness, especially around the lower eyelid, were observed across all age groups using plasma fractions from a single blood draw, indicating that the therapy's effectiveness may be age-independent.

This study found that for men with moderate-to-severe LUTS/BPH, 6 months of treatment with tamsulosin plus the hexanic extract of S. repens was as effective as tamsulosin plus a 5-alpha-reductase inhibitor but had better tolerability.

This study diagnosed a group of six girls with various ectodermal abnormalities, identifying cranio-skeletal malformations consistent with focal dermal hypoplasia (Goltz syndrome), and found heterozygous mutations in the PORCN gene in two children.

D-chiral biomaterial scaffolds enhance tissue and hair regeneration by activating the body's immune system.

In this review, the authors discuss caffeine's potential mechanisms and benefits as a hair loss treatment, noting its possible effectiveness and safety, though they caution that existing studies often have significant design flaws.

This study found that neonatal administration of finasteride reduced sensitivity to alcohol's motor-stimulating effects and increased preference for novelty and initial alcohol consumption in rats, suggesting a role in alcohol vulnerability.

This study reported that men with more significant hair loss experience greater negative psychosocial effects, particularly noticeable in younger age groups.

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.

In this study of Zhexi Angora rabbits, researchers found that the fine-wool group exhibited lower fiber diameters and a higher hair follicle density than the coarse-wool group, and they identified key candidate genes potentially regulating wool quality through RNA-seq and genome resequencing techniques.

This study found that male liver cirrhosis patients have higher estradiol levels and lower dehydroepiandrosterone sulfate, leading to hormonal imbalances favoring estradiol, but without changing sex hormone-binding globulin's binding properties.

This symposium reported that DNA damage accumulation in aging stem cells affects genome integrity, highlighting novel mechanisms like Bmi1's role in DNA repair and the involvement of BATF in lymphoid differentiation.

This study on women aged 18–40 with polycystic ovary syndrome reported that a three-month treatment involving dietary changes, oral contraceptives, fertility drugs, and supplements significantly improved ovulation, menstrual regularity, BMI, and reduced hirsutism, acne, and certain immune factors compared to pre-treatment and control groups.

This study explored the wound healing potential of a natural marine soft coral-derived nanoparticle-based gel in a diabetic excision wound model, finding it effectively regulates proinflammatory cytokines and inhibits enzymes related to wound healing.

This study found that skin microbiota, particularly in wild-type mice, promotes wound-induced hair follicle neogenesis and wound healing, highlighting the potential downsides of routine antibiotic use on skin regeneration.

This review discusses the emerging "endocrine phenotype" of COVID-19, highlighting the implications for managing diabetes, obesity, vitamin D deficiency, and other endocrine conditions in affected patients.

This study demonstrates that warming hands can restore normal blood flow in patients with systemic sclerosis, making their response to cooling similar to that of healthy controls.

This study found that maternal Nano-Se supplementation in cashmere goats improved antioxidant status and promoted secondary hair follicle development in fetuses at 110 days.

This study found that sensitive scalp is characterized by increased pH levels, redness, altered sebum composition, and a disrupted microbiome, suggesting these features could inform treatment approaches.