14 citations
,
September 2016 in “Journal of Photochemistry and Photobiology B Biology” 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.
20 citations
,
September 2018 in “Journal of colloid and interface science” 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.
3 citations
,
January 2009 in “Sen'i Gakkaishi” 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.
3 citations
,
January 2004 in “Sen i Gakkaishi” 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.
20 citations
,
March 2013 in “Journal of Lipid Research” 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.
February 2026 in “Journal of Surfactants and Detergents” 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.
1 citations
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March 2025 in “Acta fytotechnica et zootechnica/Acta fytotechnica et zootechnica” 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.
1 citations
,
October 2021 in “Benha Journal of Applied Sciences” This study found that individuals with acne vulgaris had significantly higher serum total thiol and thiol disulfide levels, as well as a reduced total thiol/thiol disulfide ratio, compared to healthy controls.
3 citations
,
January 2019 in “International Journal of Trichology” This study found no statistical difference in thiol-disulfide balance between telogen effluvium patients and controls, suggesting oxidative stress may not affect telogen effluvium through this mechanism.
1 citations
,
January 2019 in “Turk Dermatoloji Dergisi” This study found that oxidative stress, measured through thiol/disulfide balance, is closely linked to the pathogenesis of telogen effluvium.
January 2019 in “AYBU AVESIS” 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.
18 citations
,
January 2008 in “Sen'i Gakkaishi” This study observed that repeated perm treatments decrease disulfide bonds in hair due to their conversion largely into cysteic acid, affecting the waving efficiency depending on the reduction agent used.
9 citations
,
January 1981 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.
December 2023 in “Pharmaceutics” In this study, nanoparticles developed with Minoxidil-loaded thiolated β-CDs showed promise for topical scalp use, as they significantly improved drug retention on hair and displayed no irritation in rabbits.
111 citations
,
August 2002 in “Journal of Medicinal Chemistry” This study reports that 2-(1-Adamantyl)-4H-thiochromen-4-on-6-O-sulfamate is the most potent steroid sulfatase inhibitor identified so far, exhibiting 170-fold higher activity than the lead compound estrone sulfamate.
13 citations
,
July 1996 in “Annals of Internal Medicine” This article reports the first case of group B streptococcal meningitis in an HIV-positive patient who had previously undergone a splenectomy.
October 2019 in “Turkderm” This study examined the demographics of patients diagnosed with pernio and compared their vitamin B12, folate, and ferritin levels with those of a control group.
54 citations
,
November 1998 in “Archives of dermatology” This article discusses the potential role of nutritional ingredients, such as thiols and tannins, in triggering pemphigus, and reports no new empirical findings.
January 2024 in “International Journal of Cosmetic Science” This study found that 1,4-n-butylene dimaleate can restore the mechanical properties of reduced hair by reconnecting disulfide bonds and improving the hair's structural integrity using a thiol-Michael click reaction, compared to untreated reduced hair.
June 2023 in “Benha Journal of Applied Sciences” This study observed that female patients with chronic telogen effluvium had significantly lower levels of total thiol, thiol-disulphide, and disulphide compared to healthy controls, indicating a disruption in oxidative stress balance.
15 citations
,
January 2016 in “Przeglad Menopauzalny” 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.
4 citations
,
December 2013 in “Acupuncture and related therapies” 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.
January 2026 in “Molecules” In this study, the novel thiol-Michael click perming molecule, MA2-CySS, achieved repeatable perming with reduced oxidative damage, preserving hair keratin's structure while maintaining efficiency comparable to traditional oxidative methods.
April 2025 in “Pharmaceuticals” This study found that novel thiol-reactive cross-linking agents, particularly APA, significantly improved the tensile strength and elasticity of human hair fibers by effectively regenerating disulfide bridges, with potential applications for advanced hair repair treatments in the cosmetic industry.
29 citations
,
August 2005 in “Biopolymers” 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.
16 citations
,
October 2003 in “Journal of applied polymer science” 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.
138 citations
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August 1985 in “Journal of The American Academy of Dermatology” Minoxidil promotes hair growth in male pattern baldness.
20 citations
,
September 2005 in “Endocrinology” This study identified novel selective androgen receptor modulators with enhanced in vivo pharmacological activity through structure-activity relationship analysis in castrated rats.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
4 citations
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January 2021 in “Skin appendage disorders” This review discusses hair straightening techniques, products, and safety risks, providing guidance for dermatologists to advise patients effectively; it reports no new clinical results.