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In this study, researchers found that hair fibers exposed to bleaching and UV irradiation displayed significantly more damage, including increased adhesion and surface heterogeneity, compared to untreated hair, highlighting a synergistic degradation pathway affecting the hair cuticle's integrity.

This article reviews optical coherence tomography for skin imaging and its potential clinical uses, but does not include new clinical findings.

This study found that rebonding hair straightening treatments visibly damage the hair cuticle, causing surface erosion and cracks, as shown through Scanning Electron Microscopy analysis.

This study found that modern styling cosmetics can significantly alter hair structure through changes in interfacial chemistry and cohesion, particularly when applied to already damaged hair.

This review found that exposure to pollutants like PM, NOx, and PAHs is linked to various skin and hair disorders, indicating a need for cosmetics with natural adsorbents to reduce pollutant effects, achieving 30-55% removal efficiency.

In this study, a bleaching protocol was developed to evaluate hair repair products, revealing that K18® and Olaplex® improve hair brightness and lightness, with distinct impacts on hair fiber properties.

This study found that cationic surfactant-based conditioning systems significantly improve hair combability by forming a stable low-friction film on hair surfaces, reducing friction and enhancing sensory performance compared to standard systems, as confirmed by both instrumental and sensory evaluations.

This study found that cationic surfactant-based conditioning systems significantly reduce friction on hair fibers, improving wet and dry combability by forming a stable film layer on the hair’s surface, as verified by both instrumental and sensory evaluations.

This study found that hair with lower levels of keratin associated proteins reduced the foreign body response in mouse subcutaneous implant tests compared to hair with higher keratin levels.

In this study, researchers found that the primary cause of slippage and detachment of keratin capsules in hair extensions is the re-contamination by oily residues from the hairdresser's hands, rather than the use of hair care products like masks or conditioners.

In this study, researchers highlighted that while hair lipids are crucial for hair health and protection, surfactants in shampoos and conditioners can partially remove these lipids, potentially affecting hair structure, though the exact mechanisms remain poorly understood and require further investigation.

This review discusses advancements in plant cell culture technology for producing potent natural cosmetic ingredients and reports no new experimental results.

In this study, researchers used scanning electron microscopy to analyze hair damage from 3% hydrogen peroxide and UVB radiation, observing that Caesalpinia sappan hair tonic formulations coated and interacted with the hair cuticle, potentially modifying hair fiber damage.

This review highlights that nanoemulsions, especially those with droplet sizes under 200 nm, show promise in pharmaceuticals and cosmetics by improving drug stability, bioavailability, and reducing side effects, with potential applications in CNS diseases, cancer treatments, and skincare products.

The study developed herbal hair gummies using ingredients like fenugreek, amla, and bhringraj, alongside folic acid, zinc, and biotin, concluding they are palatable, meet quality standards, exhibit antioxidant properties, and may effectively enhance hair growth and reduce hair loss.

In this laboratory study, researchers developed a multifunctional organic hair cream with various natural extracts, finding that the cream with 15% extracts demonstrated higher physical stability, hair strength, and antimicrobial activity compared to lower concentration samples and synthetic alternatives.

This study found that formulations containing pequi and buriti oils improved texture properties and significantly increased gloss in curly hair, with pequi oil also significantly enhancing tensile strength.

This study analyzes contemporary theories and practices to understand key factors influencing the development of the examined phenomenon, proposing trends and practical applications for researchers and practitioners, while acknowledging study limitations and suggesting future research directions.

In this review, the researchers highlight LED therapy as an emerging and safe treatment for skin inflammatory conditions, aging, and hair growth disorders, noting its integration into dermatological practice but emphasizing the need for more controlled studies to confirm its efficacy.

This study found that microplastics on the Lebanese Mediterranean coast transport various organic and inorganic pollutants, posing threats to marine organisms and potentially human health.

This study found that novel thiol-reactive cross-linking agents, particularly APA, significantly improved the tensile strength and elasticity of human hair fibers by effectively regenerating disulfide bridges, with potential applications for advanced hair repair treatments in the cosmetic industry.

This review discusses the capabilities of ethosomes as drug delivery carriers and reports improved outcomes in a clinical study with an ethosomal acyclovir formulation.

This study found that combined dietary supplementation of sodium hyaluronate and eggshell membrane was associated with various improvements in skin and coat health markers in healthy Ragdoll cats.

In a laboratory study, researchers found that a novel Bioactive Crosslink Repair Complex improved both the protection and repair of chemically damaged hair, enhancing tensile strength, shine, and cuticle alignment when added to bleaching mixtures and leave-in conditioners.

In this study, researchers using a UVB-induced mouse model identified the gene COL7A1 as a novel marker for hair luster, finding that minoxidil, caffeine, and biotin effectively restored its expression, indicating potential therapeutic strategies.

In this study, researchers observed that blue LED irradiation enhanced cosmetic permeation, increased diameter, and improved resistance of hair fiber in Caucasian and Asian ethnic groups, whereas African hair showed less change.

This study developed a novel hair-straightening shampoo incorporating a polyphenol–inorganic sulfate redox agent, finding that it effectively straightens hair while enhancing strength and reducing damage due to its protective polyphenol coating.

This study found that in healthy adult women, a collagen and antioxidant-rich treatment significantly improved skin elasticity, hydration, texture, and reduced wrinkles and hair fall over 56 days compared to a placebo, indicating its efficacy and safety.

This article reviews the empirical use of algae in traditional remedies and highlights the need for scientific understanding of algae's bioactive compounds used in cosmetics without providing new experimental results.

This review discusses recent advances in surface modification and endothelialization of biomaterials for vascular grafts, highlighting promising methods like gene engineering and targeting ligand immobilization to improve clinical outcomes.