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This study suggests that specific combinations of human type I and II hair keratins, particularly K35-K85 and K36-K81, have distinct in vitro assembly properties that are significant for macrofibril formation.

This review discusses the evidence for a cause-and-effect relationship between scalp condition and hair condition, and reports no new clinical results from trials.

The researchers in this study conducted a comparative analysis of hair and body shampoos, finding notable physicochemical differences, such as body shampoos having lower surface tension and higher foam heights, while hair shampoos were more acidic, potentially to meet different biological and sensory needs.

This study suggests that skin-derived precursors from Sox2(+) hair follicle dermal cells have the potential to function as dermal stem cells, supporting hair morphogenesis, dermal maintenance, and wound-healing.

This study found that Twist1 and Tcf4 synergistically regulate the hair follicle induction ability of dermal papilla cells by forming a complex with β-catenin, enhancing their biological properties.

This study found that moisture sorption properties of wool and hair fibers from various animals were similar, despite different structural features, with sorbed water being more ordered than liquid water.

In this study, UVB exposure was found to alter certain chemical properties of the hair shaft, such as keratin components and water content, without significantly affecting its physical morphology.

This study developed HA-gel-dex hydrogels with enhanced ECM-like properties and functionality, showing promise for 3D bioprinting, tissue repair, and as wound dressings due to improved cell interaction, cytocompatibility, antimicrobial synergy, and wound healing in mice compared to traditional ECM bio-inks.

This study found that Dendrobium sabin flower extracts, especially the methanolic one, demonstrated strong antioxidant and anti-aging properties without significant toxicity, suggesting its potential in treating photo-induced skin aging.

This study reported that a subcutaneous injection formulation using PLGA microspheres to release finasteride stably achieved sustained monthly drug delivery without burst release in beagle dogs, with a dose of 16.8 mg identified as optimal for potential first-in-human trials.

This study observed that skin pigmentation significantly attenuates bioluminescent signals in C57Bl/6 mice, complicating quantitative optical imaging and requiring consideration in experimental design.

This study suggests that adjusting the ratios of keratin-associated proteins to keratin intermediate filaments can create keratin/chitosan hydrogels with more consistent gel properties for tissue engineering.

Lower acetylation makes chitin nanofibers thinner and more suitable for various uses.

This review discusses the molecular role of the vitamin D receptor in regulating various biological actions such as bone mineralization and reports no new clinical results, highlighting the complexity of vitamin D's function in multiple tissues.

This study found that Synechococcus elongatus PCC 11801 responded to increased CO2 concentrations by enhancing photosynthesis and carbon fixation while reducing other metabolic pathways, suggesting its potential for efficient CO2 capture.

New methods for growing skin cells can improve skin grafts by building blood vessels within them.

This study found that ethanolic leaves extract of Hibiscus rosa-sinensis L. exhibited strong antioxidant activity and enhanced wound healing properties in mice, showing reasonable safety in toxicological evaluations without severe alterations.

This study found that a key gene signature, including FGF11, highlights the immunologic nature of keloid lesions, distinguishing them from normal fibroblasts and scars.

This review discusses the historical development, mechanisms of action, and potential new clinical applications of the drug cepharanthine, highlighting its multi-faceted pharmacological properties; it reports no new clinical results.

This study found that coconut oil significantly increased the tensile strength of twisted hair fibers due to its ability to penetrate the hair core, in contrast to mineral oil.

This review discusses the limitations of current hair classification systems and highlights the need for standardized reporting of key hair characteristics to improve study comparisons; it reports no new results.

In this study, researchers developed a multifunctional, injectable hydrogel that adapts to irregularly shaped wounds, enhances healing, and shows potential antibacterial activity without significant toxicity, suggesting promise for treating chronic wounds.

This study found that a bioactive borosilicate glass containing Sr and Cu ions exhibited promising mechanical strength, biocompatibility, and antibacterial activity, particularly the CuSr-1 wt.% composition, suggesting potential for use in orthopedic implants and bone tissue engineering.

This study found that the X-ray patterns of stretched mammalian hair (β-keratin) are similar to those of natural silk (fibrion), suggesting a similar elastic mechanism involving reversible intra-molecular transformations.

This study found that bioengineered skin substitutes developed for 21 or 28 days effectively mimic native skin's ability to absorb UV radiation, suggesting suitability for treating severe skin defects.

This study found that pretreatment with KP-Cryst fusion proteins effectively protected Asian and Caucasian virgin hair from thermal damage by maintaining higher water content and preventing structural changes during heat application.

This review highlights that castor oil has potential dermatological uses, including enhancing hair luster, reducing hyperpigmentation, and improving skin hydration and elasticity, although rare side effects like contact dermatitis occur, necessitating further research to confirm its effectiveness in these applications.

This study identified several herbs, including Ganoderma lucidum and Urtica dioica, that showed promising 5α-reductase inhibitory activity suggesting potential use in managing androgenic disorders.

This study found that oxidative hair dyes altered the color and ultrastructure of Caucasian hair but did not significantly affect the hair's breaking strength.

In this animal study, hibiscus leaf simplicia ointment was found to protect red blood cell levels and promote better hair growth in UV-exposed rats, though it did not maintain normal skin histology; the ointment showed no significant acute dermal toxicity.