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This study found that hair treated with a supplemental hair care product showed significantly higher absorption, deeper penetration, and reduced dryness compared to untreated and water-treated hair, as measured with 3D Raman spectroscopy.

This study examined the effects of one-time versus two-time hair bleaching in people from Padang City, finding that two-time bleaching significantly increased hair dryness and reduced elasticity compared to one-time bleaching, emphasizing the importance of considering bleaching frequency for hair health.

This study found that longer-chain cationic surfactants like BTMC provided superior hair conditioning by reducing combing forces, but did not reverse oxidative hair damage, emphasizing the role of molecular structure in surfactant performance.

This study demonstrated that keratin can be effectively extracted from wool using alkaline solutions and that the extracted keratin maintains reactivity similar to that from other low-value sources like cattle hair.

This study found that tea-seed saponin modified silicone polymer quaternary ammonium salt significantly improves hair conditioning performance in both dry and wet states when used in shampoo formulations.

This study observed that surfactants in cosmetic treatments can bind to keratinous tissues like hair and nails, affecting their tensile properties and possibly leading to deterioration depending on the specific detergents used.

This study created new methods to test how well hair care products clean and protect hair from pollution, finding a wide range of effectiveness among different formulas in removing pollutants and preventing their deposit on hair fibers.

This study reports that hair fibers degrade most in acidic sandy clay, while silicone oil treatment is effective for conserving various hair types and artifacts.

This study found that the modified wash test was generally more effective than TrichoScan® for diagnosing hair loss, particularly telogen effluvium, though both methods showed only fair concordance with clinical diagnosis.

This study found that the Bradford assay is a sensitive and reproducible alternative to the Lowry test for quantifying hair protein loss during brushing, with bleached hair releasing more protein than virgin hair.

This study found that poly(butylene citramalate-co-butylene succinate) copolymers exhibit high toughness, recyclability, degradability, and biocompatibility, achieving complete wound healing with skin and hair follicle regeneration in 7 days.

In a study involving adults with mild to moderate dandruff, researchers observed that post-hair wash interventions significantly reduced dandruff as measured by three assessment methods, showing substantial reliability and correlation, which supports their use in clinical settings for evaluating scalp dandruff treatments.

This study found that the skin and coat scoring protocol for dogs is most reliable when the same person assesses greasiness and glossiness over time.

This study found that UV radiation exposure increased protein elution and altered protein characteristics in hair fibers, suggesting environmental factors impact hair shaft proteins.

Chemical treatments can change the scale heights of wool and cashmere fibers, affecting their identification.

In this study, the authors concluded that a hydrolyzed eggwhite protein treatment promoted the reconnection of disulfide bonds in excessively bleached hair, after reduction and oxidation processes in permanent waving.

The zinc pyrithione hair care system improves scalp hydration and reduces water loss.

The researchers monitored various pollutants in real cosmetics industry wastewater and reported high removal efficiencies for parameters like Chemical Oxygen Demand and heavy metals through coagulation-flocculation, yet suggested that more effective COD treatment alternatives are necessary to better protect the environment and human health.

This study found that torsional measurements can effectively distinguish the effects of hair care products on the cuticle versus the cortex of hair fibers, unlike tensile measurements.

In this study, incorporating a novel amino acid compound into a hair-straightening formulation improved humidity-resistant straightening and enhanced the surface and mechanical properties of hair fibers, including increased bending stiffness, reduced friction, and better shape retention under high temperature and humidity conditions.

This study demonstrated that dyeing can enhance the absorption coefficient of hair follicle tissues for selective photodestruction within human skin and hair follicles.

This study suggests that using particle-bound antiseptics may provide more effective and longer-lasting skin antisepsis compared to their non-particulate forms.

In this study, a new hypertolerant shampoo significantly reduced scabbing and erythema after hair transplantation, demonstrating excellent skin compatibility and suitability for sensitive scalp care.

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 study developed a multifunctional, sprayable hydrogel with temperature responsiveness, showing strong antimicrobial properties against E. coli and S. aureus, antioxidant activity, and cytocompatibility, indicating potential for wound healing applications.

Adding 2% glycerin or hyaluronic acid to permanent wave treatments reduces hair damage, with hyaluronic acid being more effective.

This study found that using a high-viscosity, high-amine-content silicone fluid as a pretreatment can protect hair from bleaching and dyeing damage without affecting these processes.

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 hair cosmetics have strong bacteriostatic properties, suggesting that current microbial test methods for these products should be revised.

In this study, researchers found that the lipid composition in hair significantly affects water diffusion and may explain differences in dyeing and cosmetic treatment responses between Asian and European hair, with CP2 fibers having more lipids than CP3 fibers.