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This study found that cysteic acid generation during hair bleaching is diffusion-controlled, increasing with the square root of bleaching time, in both cuticles and cortex of human hair fibers.

This study hypothesizes that postinflammatory hyperpigmentation in ashy dermatosis may result from basal cell apoptosis, as evidenced by consistent histologic findings across nine patients.

This study explored the use of manganese-doped calcium silicate nanowire-incorporated alginate hydrogels (MCSA hydrogels) for treating melanoma and promoting wound healing, finding that these hydrogels effectively ablate melanoma under near-infrared irradiation and enhance vascular endothelial cell activity for tissue regeneration.

This study found that Lactobacillus acidophilus cell-free supernatant caused significant cytotoxicity, reduced migratory ability, and induced apoptosis in cervical cancer cell lines, suggesting its potential as a non-toxic adjunct therapy for cervical cancer.

This study found that sterile fucoidan promotes T cell proliferation but reduces differentiation at higher concentrations and suppresses osteogenic differentiation in co-cultured environments.

This study found that cationic surfactant-based conditioning systems significantly reduce friction on hair fibers, improving wet and dry combability by forming a stable film layer on the hair’s surface, as verified by both instrumental and sensory evaluations.

In this study, histologic analysis of rat skin with localized calciphylaxis indicated that although the skin showed potential for regeneration, the result was incomplete and resembled scar tissue with diminished hair presence.

This study found that NGAL expression increased in calcium-induced keratinocyte differentiation in vitro and was highly elevated in psoriasis-like skin conditions and skin cancers, suggesting a role in skin hyperplasia and homeostasis.

This study found that carbonic anhydrase II was significantly upregulated in human keratinocytes when treated with toll-like receptor 3 agonist and Th2 cytokines, suggesting its potential role in inflammatory skin conditions.

This study investigates calcium and phosphorus accumulations in the hair of mummies from the Taklamakan desert and debates their exogenous or endogenous origin.

In this study, researchers found that chemical treatments like bleaching can cause severe damage to the hair cuticle, with previously modified hair showing complete deterioration compared to the partial degradation seen in virgin hair, highlighting the need for mindful cosmetic practices.

In this study, incorporating a novel amino acid compound into a hair-straightening formulation improved humidity-resistant straightening and enhanced the surface and mechanical properties of hair fibers, including increased bending stiffness, reduced friction, and better shape retention under high temperature and humidity conditions.

This study investigated multiple alkaline oxidative dehairing systems and found a consistent reaction mechanism for disulfide cleavage across systems, enhancing hair solubilization by enabling structural swelling and water uptake.

In this study, a 63-year-old male with chronic acne necrotica achieved complete clinical remission using topical erythromycin and benzoyl peroxide.

In this study, the vitamin D analogues 1 alpha,25-dihydroxy-vitamin D3 and calcipotriol were found to thin the living cell layer and affect differentiation marker expression in organotypic cultures of human outer root sheath cells.

This study found that the molecular structures of α-keratin and collagen in a 2,100-year-old female cadaver's hair and tendon were preserved, while fibrous molecule aggregations were altered.

This study found that washing hair after reduction in a permanent waving process allows for significant reformation of disulfide cross-links, enhancing the strength and elasticity of hair fibers.

This study found that cationic surfactant-based conditioning systems significantly improve hair combability by forming a stable low-friction film on hair surfaces, reducing friction and enhancing sensory performance compared to standard systems, as confirmed by both instrumental and sensory evaluations.

This study developed a biodegradable nanofibrous biofilm that attracts skin-related cells and accelerates blood vessel formation, potentially improving skin wound healing.

This review discusses temporary chemical hair removal methods involving thioglycolates and other compounds but reports no new clinical findings; the authors highlight interest in natural-based substances.

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 epithelial components of calcifying epithelioma of Malherbe showed lectin binding and keratin staining patterns similar to normal hair follicles, with prominent Con A staining in tumor giant cells.

This study found that glyoxylic acid caused more protein loss in hair compared to traditional alkaline straighteners, though both types of treatments showed comparable effects on hair tensile strength.

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 describes trichilemmal keratinization as a distinct process of hair follicle keratinization that occurs in specific areas of the outer root sheath, illustrated using electron microscopy on dog hair.

In this case report, two patients with acne necrotica, one in early and one in late stages, showed improvement after treatment with topical mometasone furoate cream and doxycycline tablets, highlighting the under-recognition of this skin condition.

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.

This study found that localized skin calcification could be induced in adult rats through dihydrotachysterol treatment combined with topical trauma, offering an experimental model for calcifying scleroderma.

Cold waving solutions quickly reduce cystine to cysteine in hair.