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This study found that chitosan and surface-deacetylated chitin nanofibrils promoted hair growth in mice and increased fibroblast growth factor-7 production in human follicle dermal papilla cells.

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.

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

This study found that dyed chitin nanofibers maintain color and mechanical properties when reinforcing resins, allowing color addition and strength improvement while retaining transparency.

This study found that treating chitin from crab shells with ultrasonication at specific conditions effectively produced fine nanofibers with a high yield.

This study highlights the potential of nanofibers in cosmeceuticals, reporting that nanofiber facial masks outperform regular masks in cleansing, and notes their exploratory use in anti-acne patches for enhanced acne management.

In this study, cricket-derived chitin successfully converted to nanochitin, which demonstrated improved physical properties such as higher transmittance and greater modulus compared to crab shell nanochitin.

This review examines the roles and benefits of chitosan in cosmetics and oral hygiene, highlighting its potential in the cosmeceutical market, but it reports no new results.

This chapter discusses the composition, biocompatibility, and production methods of biomaterials like collagen, chitin, and silk for dermal substitutes, focusing on preclinical and clinical research, but 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.

This review discusses the properties and bioextraction methods of chitin and chitosans, emphasizing their potential use in eco-friendly cosmetic manufacturing and reports no new experimental findings.

This review discusses various nanoparticles and nanoemulsions being investigated for transdermal drug delivery and reports no clinical results; it highlights potential applications in treating alopecia, wound healing, psoriasis, and melanoma.

This review highlights the potential of nanotechnology for hair follicle regeneration, focusing on strategies such as hair cycle modulation, progenitor cell stimulation, and wound-induced hair neogenesis, while also discussing regulatory challenges that may affect the development of these innovative approaches.

This study reviewed chitosan composites, specifically those with silver or zinc oxide nanoparticles, highlighting their enhanced antimicrobial efficacy and potential biomedical applications despite pure chitosan's limitations such as pH sensitivity and poor solubility.

In this study, the researchers found that while the chitosan-alginate gel base supported hair growth, the addition of 0.5% celery extract did not enhance growth, likely due to its low concentration.

In this study, the researchers developed and optimized a curcumin nanocrystal gel to enhance skin permeability, reporting improved dissolution properties and antiproliferative effects on cell lines, suggesting it as a promising topical delivery system.

This study found that a cedrol nanoemulsion improved hair growth and bioavailability compared to an ointment, demonstrating enhanced efficacy in vitro and in vivo.

This review summarizes recent advances in nanomedicine-based therapies for psoriasis, highlighting their potential to provide targeted and sustained therapeutic effects by modulating key cellular components and signaling pathways involved in the disease, offering novel perspectives for future treatment development.

This study suggests that while platelet-rich products show promise in treating dermatological conditions like chronic wounds and skin aging, there is still a need for standardized methodologies and extensive trials to confirm their long-term clinical benefits.

New materials and methods could improve skin healing and reduce scarring.

In this study, researchers explored the use of natural materials in scaffold construction for dental bone preservation, suggesting it could offer better biocompatibility and bone regeneration compared to traditional grafting methods.

New skin substitutes for treating severe burns and chronic wounds are being developed, but a permanent solution for deep wounds is not yet available commercially.

This review explores the application of nanotechnology in cosmetics, highlighting its role in enhancing skin penetration, sustaining drug action, and protecting against UV radiation, while also addressing regulatory considerations and potential exposure routes.

This review provides an overview of recent tissue engineering and regenerative medicine developments in Asia, highlighting significant advances, representative research achievements, and discussing future directions, without presenting new research results.

This review highlights the potential of nanotechnology-based formulations in hair care and treatment, emphasizing how these innovative materials can enhance the stability, efficacy, and safety of active compounds while addressing the limitations of conventional formulations.

This review highlights recent advances in chitosan-based nanoparticles (CS NPs) for drug delivery, discussing their modifications, preparation methods, production with organic and inorganic materials, and their latest implementations in the field, emphasizing the role of CS NPs in improving drug transport and release properties.

This study found that a double-crosslinked hydrogel using GelMA and sulfhydrylated chitosan showed promising results in healing full-thickness skin wounds in rats by accelerating tissue repair and promoting collagen and blood vessel formation.

This review discusses bio-based polymers, highlighting their potential in wound healing applications, but reports no new clinical results.

This article reviews recent developments in microneedles combining metallic elements and herbal compounds for wound healing, highlighting their benefits such as enhanced therapeutic efficacy and reduced toxicity, and offering a reference for future advancements in this technology.

This review discusses the potential of CBD for treating skin disorders, the challenges of its topical administration, and current strategies to improve its application, but reports no new clinical findings.