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This review summarizes the potential of N-acetyl-cysteine in managing diseases linked to redox imbalance, discussing its effects from cellular mechanisms to clinical applications, though further research is suggested for broader use.

This review discusses hair straightening techniques, products, and safety risks, providing guidance for dermatologists to advise patients effectively; it reports no new clinical results.

This study found that using a bicomponent reduction system with TGA and DTDG for hair straightening limited hair damage by forming only thiol groups, while a TGA-only system formed more damaging mixed disulfide groups.

This study found that adding dithiodiglycolic acid to the hair straightening process decreased chemical damage and preserved the structural integrity of the hair matrix compared to using thioglycolic acid alone.

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.

This study explored using tyrosine as a cross-linking agent for curling Asian hair and found that it could shape hair effectively before washing without damaging the fibers, though the method was less effective after washing compared to commercial products.

This chapter reviews the anatomy and structure of hair, discusses hair damage and analyses, and explores methods for processing hair changes, but presents no new research findings.

In this study, researchers synthesized new surfactants with hair repair properties, finding that they effectively restored the hydrophobic barrier of damaged hair and improved combing ease compared to untreated hair, highlighting their potential in haircare products.

In this study, researchers examined juglone's potential as a restoring agent for hair keratin damaged by permanent or bleaching treatments, finding that juglone formed Michael adducts with cysteine residues, leading to a more regular hair surface as observed via IR spectroscopy and SEM analysis.

This study suggests that human hair keratin-based gradient hydrogels incorporating silver ions may serve as promising dermal templates for wound healing, demonstrating favorable mechanical properties, cell interaction, and antibacterial activity.

In this study, individuals with androgenetic alopecia showed higher serum levels of oxidative stress markers and lower levels of antioxidants, indicating disrupted redox balance and suggesting oxidative stress may accelerate hair loss.

This study developed a novel zinc-releasing hydrogel, Zn-Gel, which promoted wound healing by controlling zinc ion release and demonstrated excellent compatibility and efficacy in enhancing cell proliferation, blood vessel formation, and tissue regeneration in vitro and in vivo settings.

This chapter reviews hair anatomy, hair shaft structure, and various cosmetic treatments that can alter or damage hair, but it presents no new research findings.

Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.

This study observed that patients with alopecia had increased lipid peroxidation and decreased antioxidants, including lower beta-carotene, GSH levels, and GSH-Px activity, compared to healthy controls.

The study concluded that increasing the GSH concentrations in preservation solutions for follicular units doesn't lessen the oxidative stress during cold ischemia and reperfusion in hair transplantation surgery.

This study uncovered how Staphylococcus hominis transports an odor precursor molecule, potentially leading to new ways to control body odor production in humans.

This study found that glycated proteins in untreated scalp hair may serve as a non-invasive marker for blood glucose control, but its applicability is limited by factors like cosmetic treatments and sample collection challenges.

This study found that oxidative stress from chronic restraint stress delayed the anagen phase in the hair cycle of mice, but antioxidant treatment partially reversed this effect.

Chemotherapy provides symptom relief and extends life in 30-50% of gynecological cancer cases, but has only cured choriocarcinoma.

This study found that long-term smoking was associated with increased mitochondrial DNA deletions in hair follicles, especially among smokers with low plasma glutathione S-transferase activity.

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 reported that hydrogels created from keratins extracted from human hair exhibit antibacterial properties and enhance tissue regeneration, suggesting their potential use in full-thickness skin repair, as demonstrated by increased collagen production and improved healing in vivo.

This study examined the structural and biochemical mechanisms of human lipocalin prostaglandin D synthase, detailing substrate and product binding processes at the catalytic site and suggesting potential for drug delivery targeting hydrophobic molecules.

This study found that cis-urocanic acid can engage in non-enzymatic reactions with reactive sulphur species, forming new metabolites, and suggests sulphide donors may protect against UVB-related toxicity.

This study found that alkylation of kerateine cysteine residues created a cell-compatible method for controlling hydrogel erosion rates and therapeutic agent release in keratin-based systems.

This article discusses strategies for hair transplantation prioritizing frontal scalp coverage over the crown and reports no new clinical results; ongoing finasteride use is recommended to delay crown work, particularly in younger patients.

This review discusses the biofunctionalization of hydrogel scaffolds for vascular tissue regeneration and reports promising results from in vivo studies, such as improved angiogenesis and healing in pressure ulcers when using specific peptides.

This thesis developed stimuli-responsive nanocarriers, demonstrating their potential for targeted genetic material delivery with reduced toxicity and diagnostic applications, and explored pH-sensitive nanogels for effective skin drug delivery and monitoring.

This study found that calcitonin‐gene‐related peptide immunoreactive sensory axons in rats are predominantly involved in tissue maintenance rather than nociceptive functions.