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This study found that melanin granules in black human hair are key dyeing regions for oxidative hair coloring, as confirmed by nanoscale mass spectrometry analysis detecting deuterium ions.

This study developed a nanoscale biomimetic matrix that effectively and stably expands human hair follicle stem cells, offering a new tool for hair follicle reconstruction research.

This review highlights the challenges in developing nano-scale drug delivery systems for natural antioxidants in wound healing, pointing out issues like low solubility and skin permeability, and discusses potential solutions such as combining polymers and lipids to enhance delivery effectiveness.

This review explores research on nanoformulations for enhancing the topical delivery of herbal medicines, noting potential benefits like improved bioavailability and sustained delivery, and emphasizes the need for safety and toxicity guidelines in developing these novel drug delivery systems.

This study observed that lipids in human hair accumulate in specific areas and do not significantly impact water permeability, highlighting the utility of AFMIR for studying complex biomaterials.

This review discusses technological advances in liposome systems for drug delivery and reports no new clinical results; it highlights the clinical acceptance and market presence of liposomal products.

This study developed a novel ferritin-based delivery system (LR@Fn) that effectively co-delivers RG108 and LLY283 for hearing loss treatment in animal models, reducing hair cell loss and synaptic damage more effectively than dexamethasone.

This review discusses the role of phytochemical nanoparticles in cervical cancer therapy and reports no new clinical results; the authors highlight their potential advantages over conventional chemotherapy.

Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.

This review summarizes techniques like Raman spectroscopy, nanoindentation, and small-angle X-ray scattering to explore the biophysical interactions in collagen fibers, aiming to enhance understanding of fibroblast behavior and mechanisms involved in organ fibrosis and healing processes.

This study found that desmosomal cadherin desmoglein 3 loses its rigidity upon Ca2+ removal, regardless of desmosome functional state, suggesting a central role for signaling in hyper-adhesion.

This study found that incorporating PCL-based nanoscaffolds into liver spheroids enhances their viability and liver-specific biofunctionality, suggesting these scaffolds improve the model's potential for preclinical drug screening by increasing sensitivity to acetaminophen toxicity compared to traditional methods.

This study found that Polyquaternium-87 significantly reduced friction forces on hair surfaces treated with various shampoo formulations, highlighting its potential for improving hair care products.

This review discusses the potential of endogenic and exogenous exosomes in dermatology and cutaneous aesthetics, highlighting their capacity to repair and rejuvenate skin tissue, but reports no new experimental results.

This study concluded that bleach treatment partly transforms the hydrophobic top layer of human hair cuticles into a hydrophilic surface with clustered cysteic acid, visualized at the nano-scale using dynamic Chemical Force Microscopy.

This chapter reviews nanotechnology in cosmetics, detailing various formulations, performance assessment methods, and evolving regulations, while discussing safety, stability, and effectiveness concerns; it reports no new experimental results.

This review highlights how natural compounds can enhance wound healing by influencing fibroblast behavior and discusses innovative biomimetic engineering and delivery methods. This source emphasizes combining traditional and modern approaches for effective and scar-free healing, while noting challenges in clinical translation.

This study found that nanodiamonds of various sizes can penetrate different layers of murine skin in vitro, reaching hair follicle niches, and may be suitable for multimodal imaging applications.

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 found that while yak belly hair is chemically similar to human hair, its higher porosity and lower mechanical strength limit its usefulness as a substitute in hair dye development.

In this study, researchers created nanowhiskers from crab shell-derived nanochitin that self-assembled into vibrant structural colors within a film. The material, sensitive to environmental changes, shows potential as a food freshness indicator and a sustainable dye for cosmetics due to chitin's biocompatibility.

In this review, researchers examined advanced sensing technologies and bioelectronic interfaces that could improve understanding of the skin–brain axis, highlighting challenges and strategies for integrating these platforms into models for studying skin and neural interactions.

This animal study found that biscuits fortified with zinc oxide nanoparticles improved growth, appetite, and hair growth in zinc-deficient rats more effectively than traditional zinc forms, without apparent toxicity.

This article explains the structure and multifunctional roles of the human skin, including its protective, regulatory, and sensory functions, but does not report new research findings.

Scientists found key proteins and genes that affect skin and hair health, and identified potential new treatments for hair loss, skin disorders, and wound healing.

This study showed that chemical and mechanical treatments significantly alter the nanoscale surface properties of hair, affecting its roughness, mechanical stiffness, adhesion, and surface potential.

This policy paper explores the potential of using nanoscale carriers to deliver chemotherapy drugs directly to breast cancer tumors in the UAE, aiming to minimize harmful side effects and improve quality of life for patients by targeting only cancerous cells.

This study suggests that human keratin fiber matrix has a well-defined nano-scale grainy structure rather than being amorphous, with grain size influenced by chemical treatments, temperature, humidity, and follicle-level factors.

This study developed a novel mineralization strategy using metal-polyphenol coordination for dynamic control of nano-scale processes, enhancing hydrogels that support wound healing with antibacterial and angiogenesis-promoting properties.

In this research, OssDsign Catalyst™, a new nanosynthetic, silicate-enriched calcium phosphate bone graft substitute, is described as promoting early bone formation through its high silicate content and nanoscale structure, although no specific results are reported in the abstract.