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This research studied European human hair, finding that cysteic acid and protein carbonylation increased with both chemical and photochemical oxidation. Protein carbonylation was highlighted as a more sensitive marker for photochemical oxidation, providing better in situ visualization of hair damage than cysteic acid.

This study found that C-reactive protein may enhance monocyte adhesion to endothelial cells through NOX-mediated oxidative stress, suggesting a potential mechanism for atherogenesis.

This study found that pre-treating hair with argan oil reduced protein loss and provided protection against oxidative damage, supported by both ATR spectrum analysis and protein measurements.

In this study, researchers observed that Finasteride improved cardiac function by enhancing antioxidant levels and reducing oxidative stress in obese and aging rats, though it did not benefit metabolic status and induced insulin resistance in normal diet-fed rats.

This study demonstrated that Forsythiaside A protected against oxidative stress in both cell models and a mouse model of liver damage, suggesting its potential as a liver-protective agent.

There is not enough evidence to support health claims about soy isoflavones.

This study found that higher concentrations of copper (II) ions in human hair increase protein oxidative modification, contributing to hair damage regardless of UV exposure and pigmentation level.

This review found that solar radiation, pollution, and trace metals cause significant damage to human hair, with factors like UVB radiation primarily affecting light-colored and bleached hair; most data were derived from in vitro and ex vivo simulations.

This study found that chemical and photochemical oxidative processes modify the main classes of proteins in hair, confirmed through microspectrophotometric, fluorescence microscopy, and electrophoretic methods.

This study found that PM2.5 exposure induced oxidative stress in human keratinocytes and mouse skin, causing cellular damage, which was mitigated by the antioxidant N-acetyl cysteine.

This review discusses oxidative stress's role in polycystic ovary syndrome and examines various biomarkers to understand its impact on the disorder's pathogenesis, but reports no new clinical results.

This study used proteomic techniques to analyze human hair proteins, revealing keratin heterogeneity and identifying posttranslational modifications, such as cysteine trioxidation and methylation.

This study found that both everyday physical and environmental stresses, as well as chemical treatments, contributed to hair damage, with cuticle layers being more noticeably affected.

This study found that exosomes derived from human umbilical cord mesenchymal stem cells helped preserve melanocyte function and mitigate stress-induced hair depigmentation in mice by activating the Nrf2-ARE antioxidant pathway under acute neurogenic oxidative stress.

Gray hair is caused by oxidative stress damaging hair cells.

This study reported that treatments using ADSC-CM improved hair growth in all participants, with the most pronounced results after four sessions within three to four months.

This study found that conditioner agents reduced the damage caused by oxidative hair dye, specifically improving protein retention and combability in treated Caucasian hair.

In this study, adding conditioning agents PA1, PA2, and PA3 to light blonde oxidative hair dyes improved combability and protein retention of light brown hair without affecting tensile strength, though PA1 and PA2 offered enhanced thermal protection.

This study found that bleaching significantly damages hair structure and increases combing difficulty, while dyeing with emulsifiers can partially reduce damage and improve combability, yet both processes cause notable protein loss.

This study found that patients with alopecia areata had higher levels of oxidative stress markers and lower antioxidant enzyme activity compared to healthy controls.

This study utilized advanced imaging techniques to quantify hair damage and dye uptake dynamics, revealing that compound penetration in hair is influenced by molecule size and lipophilicity.

This study found that fermented camel milk containing 50% pumpkin seed milk significantly improved oxidative stress markers in rats and enhanced sensory and physicochemical properties compared to untreated groups.

In this rat study, offspring from females fertilized by finasteride-treated males showed hyperglycemia and increased hepatic glycogen, linking paternal androgen imbalance to liver issues across generations.

In laboratory settings, this study suggests that Serenoa repens and N-acetyl glucosamine with milk proteins may promote hair follicle vascularization through specific cellular interactions and actions.

This study suggests that hemoglobin α expression in the epidermis is induced by oxidative stress and may function as an antioxidant, contributing to skin barrier function.

This study analyzed how oxidative hair dye leaches from pigmented and nonpigmented hair during wash cycles, finding that melanin influences the dye deposition and leaching processes.

This review discusses the role of oxidative stress in hair greying and suggests that understanding melanocyte susceptibility at different follicular locations may help develop therapies for preventing and reversing the process; it reports no new experimental results.

This study found that protein extracts from human hair demonstrated significant antioxidant abilities, protecting human dermal fibroblasts from oxidative stress, suggesting potential for biomedical applications.

This study found that hexane extracts of Nostoc verrucosum significantly inhibited melanin synthesis in melanoma cells and demonstrated antioxidant activity, suggesting potential use in developing cosmetic and functional food products.

This study reported that keratin films lacking keratin-associated proteins showed different appearance, structure, and color deposit properties compared to conventional keratin films, suggesting potential for evaluating hair damage.