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This study found that excessive heat caused the most significant structural changes in hair from Caucasian and Afro samples, especially when combined with other treatments like bleaching and straightening.

In this study, researchers identified a three-step process underlying age-related curved hair from cyclical extension: surface lipid transfer, specific disulfide bond cleavage, and unraveling of α-helices into β-structures, which may inform care strategies to manage hair curvature.

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.

This study developed a metal-free method for synthesizing sulfinimidate esters, showcasing their potential as versatile intermediates for enantioselective bond formation under mild conditions.

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.

The new compounds may be more effective and cheaper than current treatments for conditions like baldness.

This study determined the crystal structure and conformation of synthesized 17x-Acetoxy-pregn-4,6-diene-3,20-dione, revealing specific molecular interactions and structural details in an orthorhombic crystal system.

In this study, researchers found that ligand homodimerization controls the receptor binding specificity of the FGF9 subfamily, preventing off-target activation of FGFR "b" isoforms.

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.

This review summarizes the roles of PDGF and its receptors in cell development and wound healing, reporting no new research findings; the authors emphasize PDGF's diverse biological functions.

This study reports the crystal structure and geometric parameters of a modified Finasteride derivative, highlighting significant differences in dihedral angles compared to its solvated analog and computational models.

This study describes the molecular conformation and intermolecular interactions in the crystalline structure of the compound C24H31BrO4.

This research quantified the fidelity of human mitochondrial DNA polymerase and found it averages 1 error in 440,000 nucleotides, impacting its function related to disease and mitochondrial health.

A new compound that could treat various androgen-related conditions was created and analyzed.

This review highlights that hair's chemical bonds, particularly disulfide bonds, are not homogeneous, as previously thought, but instead vary in response to different cosmetic treatments, suggesting a need for further exploration of ionic bonds and hydrophobic interactions.

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 presents computational modeling and experimental analysis of the HGT protein KAP8.1, identifying key structural features that may influence hair's response to environmental conditions.

This review explains the mechanical composition and molecular interactions that determine hair's mechanical properties, without providing any new experimental findings.

In this study, certain cysteine residues in Romney sheep wool fibers were labeled more often during stretching tests, particularly under wet conditions, suggesting variability in their disulfide bond contributions to fiber mechanics depending on hydration.

This study found that disulfide bonds in keratin increase its strength and toughness, with some loss of α-helical structure under load, highlighting their role in trichocyte α-keratin's mechanical properties.

This study found that the Pseudomonas sp. T5-6-I strain significantly increased selenium accumulation and root hair density in Brassica oleracea, highlighting its potential for phytoremediation and biofortification.

This study used nanoscale secondary ion mass spectrometry to locate where calcium and copper are concentrated in colored hair, finding these metals particularly in the cuticle's sulfur-rich regions.

This study by Moore et al. (2025) provides the first evidence linking C-tactile afferents in humans to hair follicles, showing that these nerve fibers respond to hair movement rather than skin deformation, adding complexity to the understanding of their role in emotion and touch.

This review highlights the potential of coffee silverskin's bioactive compounds in combating skin aging and related conditions, suggesting it as a promising natural ingredient for cosmetics due to its antioxidant, anti-inflammatory, and anti-aging properties.

In this study, researchers accomplished the total synthesis of calanthoside, noted for its strong proliferative effects on human hair follicle dermal papilla cells, using a seven-step process from anthranilic acid with a 43% overall yield.

This paper reviews chemical analysis methods for trace elements in human hair and supports a no-wash policy due to challenges in distinguishing between endogenous and exogenous element sources.

This study demonstrated that molecular dynamics simulations of keratin could effectively model the mechanical properties of hair, aligning well with experimental data, especially when conducted in vacuum conditions.

This study found that optimizing chitosan-tripolyphosphate nanoparticles can enhance the sustained percutaneous delivery of caffeine, with certain conditions affecting stability and release rates.

In this study, researchers developed a novel zinc oxide nanoflower-infused nanocomposite that demonstrated promising results in accelerating wound healing in a murine model, with enhanced angiogenesis, reduced inflammation, and improved collagen deposition compared to a control group.

This article discusses the mechanisms by which Cutibacterium acnes contributes to acne vulgaris and mentions potential triggers like UV light and tobacco, but it reports no new clinical results.