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Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.

In this study, researchers observed that reproductive experience in female rats altered fear memory and medial prefrontal cortex (mPFC) activity, with pregnant and parous rats showing impaired fear recall compared to nulliparous controls, highlighting the influence of pregnancy-related neurosteroids on cognitive function and brain activity.

This study observed that keratose, derived from human hair, integrated well in mouse tissue and remodeled with collagen, suggesting potential as a non-toxic biomaterial for regenerative applications.

This article discusses recent findings on piedra infections in hair and their keratinolytic activities, but reports no new clinical results.

In this study, researchers developed a 3D chitosan/polyvinyl alcohol-tannic acid nanofiber sponge that demonstrated effective hemostatic, antibacterial, and antioxidant properties without antibiotics, accelerated wound healing in vivo, and showed high biocompatibility with L929 cells, highlighting its potential as a wound dressing for clinical use.

This study discovered a new region in the hair cortex where intermediate filaments are both aligned with the hair's axis and orientationally ordered, influenced by the cuticle boundary.

This article reviews the complex structure and molecular composition of hair keratins, highlighting their self-assembly process and implications for keratin extraction techniques, but reports no new experimental results.

This study observed that treating human hair with NaOH led to partially removed cuticles, resulting in better fiber cohesion and mechanical properties similar to wool, unlike bleach or formic acid treatments, which weakened the fibers.

This paper reviews strategies for modifying the structure and protein delivery of electrospun nanofibrous materials, emphasizing their potential to guide tissue repair and highlighting current challenges and future research directions in this emerging field.

This study identified a unique concentric double-layered structure in both Japanese and Caucasian SHINAYAKA hair, associated with improved flexibility and elasticity, and developed a succinic acid treatment to enhance these properties.

This study extended a skin diffusion model to include a porous pathway, effectively explaining the permeability of both polar and lipophilic solutes through the stratum corneum.

This review discusses current strategies and materials in tissue engineering for skin regeneration, emphasizing design approaches and suggesting directions for future research; it reports no new clinical findings.

This study found that synthetic melanin particles applied topically in mouse injury models improved wound healing, showing potential as a therapy for accelerated healing, including in human skin explants.

This article reviews innovations in hair cosmetics, focusing on esthetic procedures and products in the Indian market, and reports no new experimental findings.

This study found that peroxide-rich plasma-activated water caused minimal morphological damage to hair, while nitrate-rich plasma-activated water induced significant damage, especially in porous hair types.

This chapter reviews hair anatomy, hair shaft structure, and various cosmetic treatments that can alter or damage hair, but it presents no new research findings.

This study found that modifying adipose-derived stem cells to overexpress the adhesion protein JAM-A increased the adhesion and resilience of dermal papilla cells in the context of androgenic alopecia, potentially facilitating hair regrowth despite challenges such as damage from dihydrotestosterone and macrophages.

Hormonal contraceptives are effective for teens but require careful consideration of side effects and individual health.

This article reviews the current practices and interpretations of research data on permanent waving and hair straightening, but does not present any new research findings.

In this study, researchers found that a protein-enriched cream made from Spirulina platensis improved the physical structure of natural hair, as evidenced by more intact and smoother cuticles compared to a control cream without protein, suggesting its potential for hair care applications.

This review highlights how forensic drug analysis in hair using modern instrumental techniques offers advantages such as easy sample collection and chronological tracking of drug use, emphasizing its value for law enforcement and other applications.

This review highlights the potential role of mathematical and computational approaches in enhancing and accelerating the clinical translation of regenerative medicine products but reports no new clinical findings.

This study reports that the new neighborhood face index (NFI) demonstrates a remarkably high correlation with the physiochemical properties of benzenoid hydrocarbons, highlighting its potential as a predictive tool.

Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.

This study found that the GGC repeat length significantly influenced testosterone levels in oral contraceptive users from high-risk breast cancer families, and homozygosity for short alleles may be linked to increased breast cancer risk.

This review discusses the complex role of the EDA pathway in vertebrate skeletal development, emphasizing its interaction with other morphogenic pathways to influence skeletal diversity, but reports no new experimental results.

This study characterized keratin-based biomaterials that self-assemble into hydrogels, demonstrating their potential to achieve hemostasis in a lethal liver injury model through specific biomaterial-receptor interactions.

This paper provides a comprehensive overview of the applications of electrospun nanofibers in non-invasive medical fields, highlighting their potential for health monitoring, personal protection, thermal regulation, and wound care, and discusses the challenges and future development paths for this technology.

This review explores the potential benefits of platelet-rich plasma for anti-aging and tissue regeneration, especially in orthopedic applications like osteoarthritis, but it reports no new clinical results.

This review discusses recent advancements in formulating electrospun nanofibers as wound dressings, emphasizing their advantages in incorporating bioagents for improved healing, but reports no new clinical results.