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This chapter reviews nanocarriers for acne therapy, highlighting their ability to reduce lesions and inflammation while improving the safety and effectiveness of treatment, though no new clinical results are reported.

This review critically analyzes recent literature on the use of nanotechnology in alopecia treatment, reporting promising results for improving drug delivery and hair growth, though challenges in maintaining physical stability may limit large-scale commercialization.

This study developed two types of polymeric nanoparticles containing clindamycin phosphate for potential topical acne treatment and found that the NP-AH-CDM-4 formulation preferentially penetrated hair follicles even with sebaceous obstruction, suggesting its promise for more effective acne therapy without causing skin irritation.

This study found that iontophoresis significantly increased the retention of minoxidil sulfate in hair follicles, potentially improving drug delivery for androgenic alopecia treatment.

This review explores the potential of targeted topical drug delivery to hair follicles for treating conditions like acne and hair loss but reports no clinical results, emphasizing the need for more research.

Advancements in biomaterials and nanotechnology are improving medical applications like hair growth, bone regeneration, and cancer treatment.

In this study, melatonin-loaded Pickering emulsions stabilized by chitosan-dextran sulphate nanoparticles and enhanced with lecithin showed improved photostability, antioxidant activity, and follicular delivery in androgenic alopecia-affected rats, potentially rivaling commercial minoxidil for hair loss treatment.

Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.

This paper reviews the evolution of skin appendages and keratin-associated proteins among amniotes, proposing a model for their genetic divergence without new experimental results.

This review discusses the physicochemical and biological properties of chitin and chitosans, their bioextraction methods, and their applications in advanced cosmetics and biomedical products, but reports no new clinical results.

This article reviews the applications of microneedle technology in drug delivery, dermatology, and cosmetics, but it presents no new experimental or clinical findings.

In this study, hair damaged by permanent dye showed signs of recovery over time, with near complete restoration to its original state after eight weeks.

This study highlights confocal microscopy as a promising, minimally invasive tool for assessing hair morphology and internal structures, making it valuable for cosmetic hair assessments.

This review examines the major biomaterials used in skin wound healing and evaluates experimental therapies but reports no new research findings.

This review discusses recent advancements in developing delivery systems for small interfering RNA (siRNA) to treat skin conditions, highlighting innovations like liposomes, dendrimers, cell-penetrating peptides, and spherical nucleic acid nanoparticles designed to overcome challenges of skin permeability and degradation.

This review discusses the potential of bioprinting technology in cosmetology, particularly for improving skin functions like pigmentation restoration and hair follicle development, but reports no new clinical findings.

This study found that high-charge-density cassia HPTC improves deposition efficiency and conditioning benefits in shampoos compared to quaternized guar, suggesting its potential as an alternative or adjunct conditioning agent.

In this in-vitro study, researchers found that shampoo-induced coacervates structurally resemble cationic polymers and contain anionic surfactants that may stimulate the scalp upon exposure to water.

The document says biodegradable cosmetics and packaging are better for the environment and user experience.

Human hair keratin hydrogels show promise for use in regenerative medicine.

This article provides guidelines and indices for a three-point cantilever bending test to measure mechanical properties of hair treated with both conventional and naturally-derived styling polymers, reporting no new experimental results.

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.

This study found that high-charge-density cassia HPTC improves deposition efficiency and conditioning benefits in shampoos compared to quaternized guar, suggesting its potential as an alternative or adjunct conditioning agent.

This study found that keratin fibers like human hair undergo thermal and mechanical transitions that can help assess changes from cosmetic processes such as bleaching and perm-waving.

This narrative review reports that tissue-engineered scaffolds for wound healing generally match standard care outcomes, with some trials indicating faster healing and improved scar quality, despite challenges like limited cellular infiltration and inadequate vascularization.

This narrative review found that skin boosters, including hyaluronic acid and other agents, improve skin hydration, elasticity, and texture with favorable safety, though evidence is limited by study heterogeneity and lacks standardized protocols, suggesting a need for further clinical research.

This review explores emerging 3D bioprinting strategies for hair follicle creation, highlighting their potential to advance alopecia treatment and trichology research, but notes the need for further optimization and reduced maintenance costs before clinical use.

This study outlines that hair styling products, commonly used for temporary transformations, often contain ingredients like surfactants and fragrances that can cause contact dermatitis on the face and scalp.

This study reviews 3D printing's role in neurology, highlighting its potential to enhance hair restoration and scalp therapy through personalized solutions, while acknowledging the challenges of regulatory issues and the need for further research on long-term effects.

This study tested the effects of protective pre-treatments on African hair and found that these treatments, combined with moderate grooming, may help maintain cuticle integrity.