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This paper describes recent advancements in the synthesis of thiasteroids but reports no new experimental results, noting that introducing heteroatoms in steroidal structures has potential biological effects.

This study developed an organic hair conditioner using chitosan-thiadiazole conjugates that showed improved hair detangling, moisture retention, and protection without causing irritation, promising an environmentally sustainable approach to hair care.

This study synthesized new heterocyclic steroid derivatives and reported their promising antiproliferative activity against breast and prostate cancer cell lines, highlighting selectivity and impact on signaling pathways even in cells resistant to certain treatments.

A new method strengthens hair without using harmful chemicals.

This study suggests that increased amounts of less stable disulfide conformers in hair shafts may be linked to the brittleness observed in trichothiodystrophy.

This study found that thioglycolic acid molecules in hair treatments are primarily located in intrafibrillar unordered areas, where they redistribute disulfide bonds.

This review discusses the complexities and uncertainties in the pathways and mechanisms for disulfide bond formation in multicellular organisms and reports no new experimental findings.

This study found that waving virgin human hair with thioglycerol at pH 9.0 using ammonia solution caused less damage than using thioglycolic acid, while maintaining good waving efficiency.

This study suggests that trichohyalin is modified by peptidyl-arginine deiminase before being cross-linked by TGase 3, allowing the formation of rigid structures in hair follicle cells.

In this study, treating hair with thioglycolic acid was found to alter disulfide bond patterns in keratin-associated proteins, shifting them from an ellipsoidal to a near-spherical shape.

In this study, liposome-encapsulated thioglycolic acid improved hair perming by enhancing the penetration of perm solutions, resulting in a stronger S-shaped wave and higher cysteine content compared to the control.

Disulfide bonds are crucial for hair structure during keratinization.

This study provides evidence supporting the theory that the presence of selenocysteine in proteins, such as thioredoxin reductase, may confer chemical reversibility, which contributes to their oxidative resistance and potential catalytic functions.

In this study, using tyrosine as a cross-linking agent for hair perming showed better initial results compared to commercial products, though efficiency decreased after washing without compromising hair strength.

In this study, researchers mapped cysteine accessibility in wool keratins and KAPs, revealing that certain cysteines in keratin end domains and Types I and II rod domains are accessible and likely involved in forming disulfide bonds.

This study found that a novel thiohydantoin derivative, 3a, effectively inhibited androgen receptor activity in LNCaP cells and showed promising in vivo results by reducing testosterone-induced prostate changes, outperforming finasteride in mitigating prostate index and histopathological alterations.

In this study, researchers found that both thermolabile and thermostable forms of phenol sulfotransferase contribute to the sulfation of minoxidil, emphasizing the need to consider both enzymes in assessing sulfation in human tissues.

This study found that laccase-assisted grafting of poly(tyrosine) onto wool materials improved shrinkage resistance and mechanical properties while causing minor decreases in crystallinity and thermal resistance, suggesting a potential "green" approach to enhance wool durability.

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 a quinazoline derivative, SH-340, increased skin barrier-associated factors and inhibited TSLP expression and STAT6 phosphorylation in human primary keratinocytes, suggesting potential benefits for alleviating inflammation and improving skin barrier function in atopic dermatitis.

This study investigated the effect of peracetic acid treatment on hair fiber structure and found that disulfide bond oxidation altered thermal properties while preserving the α-crystal structure, suggesting different stabilizing interactions in hair fibers.

This study utilized a fluorescence probe to evaluate cysteine formation on hair fibers, finding that optimal fluorescence emission occurred at pH 4.5.

This study identified a fungal sulfotransferase enzyme, FgSULT1, from *Fusarium graminearum*, expanding the sulfotransferase superfamily and offering new biocatalytic methods for producing bioactive sulfates.

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 describes a microfluorometric method to quantify lipid removal and reattachment on human hair during light exposure and chemical treatments, altering hair surface properties from hydrophobic to hydrophilic.

This study describes Hg(OTf)2 as a new and efficient catalyst for various organic synthesis reactions, including alkyne hydration and C–C bond forming cyclizations.

Keratin peptides can change hair shape gently without harsh chemicals.