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This study found that photochemical and cosmetic chemical oxidation of hair causes surface damage by delipidation and acid formation, which can be characterized and quantified using microfluorometry and X-ray photoelectron spectroscopy.

This study introduced hair capacitance mapping as a promising technique for assessing hair surface moisture dynamics, revealing that weathered hair loses moisture more quickly than intact hair.

This study found that treatment with a synthesized autophagy inducer improved skin barrier function and hair damage in dogs with atopic dermatitis or hyperadrenocorticism by reducing pro-inflammatory cytokines.

This study found that a conditioner treatment using 18-MEA combined with a specific cationic surfactant effectively restored hydrophobicity and reduced friction on damaged hair surfaces.

This study found that using a hair dryer at 15 cm with continuous motion causes less surface damage to hair compared to natural drying, although higher temperatures increased overall surface damage.

In this study, researchers developed cationic liposomes encapsulated with keratin to improve the recovery of UV-damaged hair, finding that these liposomes significantly improved keratin penetration and reduced protein denaturation and lipid peroxidation, resulting in smoother hair surfaces compared to keratin solution alone.

This study found that using 1,4-butylenediamine bismaleimide for hair perming through thiol-Michael click chemistry offers comparable efficiency to conventional oxidative methods, with enhanced durability and reduced damage to hair fibres, preserving mechanical, color, and surface properties.

In this study, researchers examined juglone's potential as a restoring agent for hair keratin damaged by permanent or bleaching treatments, finding that juglone formed Michael adducts with cysteine residues, leading to a more regular hair surface as observed via IR spectroscopy and SEM analysis.

This study found that pubic hair from Korean males has a thicker cuticle layer with more scales compared to scalp hair, offering better protection against chemical damage, and hypothesizes this evolved as a defense mechanism against exposure to urine and ammonia.

In this study, researchers observed that Sedum takesimense extract improved the surface properties, moisture retention, tensile strength, and wave formation of damaged hair compared to a water control, even after additional chemical and UV damage, suggesting its potential as a protective hair treatment.

In this study, researchers observed that using an Avena strigosa seed extract on chemically damaged hair significantly improved hair properties, including strength, gloss, and surface quality, by reinforcing keratin bonding and sealing cuticle damage.

PMS nanoparticles improve damaged hair by protecting and restoring its surface and color.

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 research highlights the key interactions of hair cosmeceuticals, focusing on their effects on the hair fiber surface, cuticle, and cortex, which are crucial for protection and mechanical strength, particularly in damaged hair.

This study observed that individuals with mixed ethnicity had hair that varied widely in shape and showed significant surface damage near the root, differing from monoracial hair characteristics.

This paper reviews the surface degradation of hair and describes how combining 18-MEA with specific surfactants can maintain hydrophobicity on bleached and weathered hair surfaces.

This study concluded that sodium lauryl sulfate is very toxic to hair, damaging its structure, while natural conditioners help protect hair integrity and improve consistency and shine.

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 case report describes a rare complication of eyelash transplantation, where it resulted in trichiasis and corneal surface damage, highlighting the need for preoperative counseling about potential ocular risks.

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 study introduced Scd3-Cre mice, which enabled sebocyte-specific manipulation, revealing that sebaceous lipid depletion impaired water repulsion, thermoregulation, and the ocular surface, resembling Meibomian gland dysfunction.

This study discusses the effects of incorporating various amino acids in hair care products, noting improvements in hair surface properties and color retention when integrated with conditioners.

In this 24-week study, oral supplementation with hydrolyzed low-molecular-weight porcine placental peptides significantly improved scalp elasticity, hair diameter, tensile strength, surface roughness, and luster compared to placebo, suggesting its potential as a nutritional intervention for age-related scalp and hair changes.

In this study, researchers observed that even a single session of hair dyeing can damage hair fibers, with significant worsening of mechanical properties and protein composition after three or more consecutive treatments, emphasizing the need to consider the cumulative impacts of dyeing on hair health.

In this study, the researchers observed that post-radiation hair follicle repair in 3D architecture occurs through independent, long-range cell movements along the basal surface, resembling 2D healing processes.

This review discusses the long-term cutaneous and ocular complications from sulfur mustard exposure in the Iranian population, identifying pruritus and malignant changes as significant issues and highlighting eye surface damage leading to visual decline.

In this study, hydrophobic interactions were found to primarily drive deposition on virgin hair, while electrostatic interactions were more significant for bleached hair, highlighting different target moieties for hair conditioning products.

This study found that dimethicone with high molecular weight improved hair surface characteristics, while dimethicone copolyol and amodimethicone enhanced manageability by reducing friction or aiding styling on damaged hair.

This study found that permanent wave treatment accelerates hair degradation after protease exposure, showing significant morphological differences compared to untreated hair and linked to damage from Alpha-helical region denaturation.

In this study, researchers found that specific treatment parameters disrupted follicles and sebaceous glands, damaging the bacteria Cutibacterium acnes and promoting follicular remodeling, which may improve both inflammatory and noninflammatory acne lesions.