research Low-Molecular-Weight Collagen Peptides Improve Hair Health in Adults with Damaged Hair: A Randomized, Double-Blind, Placebo-Controlled Trial
Collagen supplements improve hair health and are safe.
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330-360 / 1000+ results research The effect of treatments on the shear modulus of human hair measured by the single fiber torsion pendulum.
Different treatments change the strength and flexibility of human hair.
research Effect of Human Hair Fibers on the Performance of Concrete Incorporating High Dosage of Silica Fume
research The Development of Squid Ink Melanin Nanoparticles as a Multifunctional Colorant Anchored on Hair Fibers: Preparation, Physicochemical Characterization and Dyeing Performance
Squid ink melanin nanoparticles create a safe, long-lasting black hair dye that protects hair and offers UV protection.
research A comparative study of materials assembled from recombinant K31 and K81 and extracted human hair keratins
Recombinant keratin materials may better promote skin cell differentiation than natural keratin.
research Protective and Restorative Effects of a Bio-Based Crosslinking Complex on Chemically Damaged Hair
The bio-based complex effectively repairs and protects chemically damaged hair.
research Ocfentanil testing in hair from a fatality case: Comparative analysis of a lock of hair versus a single hair fiber
Both a lock of hair and a single hair strand can show chronic drug use, but at least six single hairs are needed for accurate results.
research Impact of acid (”progressive brush”) and alkaline straightening on the hair fiber: Differential effects on the cuticle and cortex properties
Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
research Effect of rinse-off hair conditioner containing argan oil or camellia oil on the recovery of hair damaged by bleaching
Hair conditioners with argan oil or camellia oil improve the strength and color of bleached hair.
research Flexabrasion Applied to the Evaluation of the Photodegradation of Hair Fibers
research Malate-based polyester chemically shielded metal-phenolic networks coated artificial hair fibers with long-lasting antimicrobial and anti-inflammatory performance
research Human Hair Follicle and Epidermal Melanocytes Exhibit Striking Differences in Their Aging Profile which Involves Catalase
Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.
research 289 Immortalization of primary human dermal papilla cells by Bmi-1 and TERT
Hair care products reduced hair roughness, a combination of Stemoxydine and Resveratrol increased hair density, fermented mackerel oil promoted hair growth, and genes TERT and Bmi-1 helped create new hair follicles.
research Chemical Safety and Technical Decision-Making in Hair Procedures: A Professional and Scientific Perspective
Scientific knowledge is crucial for safe and effective chemical hair procedures.
research Evaluation of Surface Structure and Morphological Phenomena of Caucasian Virgin Hair with Atomic Force Microscopy
AFM can diagnose hair disorders by revealing detailed hair surface changes.
research Application of Transglutaminase for Hair Revitalization
Transglutaminase can repair damaged hair, making it stronger and shinier.
research Structure and Function of the Skin
The document concludes that the skin is a complex organ providing protection, sensation, and healing, with challenges in treating conditions like itchiness.
research Hair cycle and hair pigmentation: dynamic interactions and changes associated with aging
As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
research Friction and wear studies of human hair and skin
Human hair and skin friction vary by ethnicity, hair type, and environmental conditions.
research Structural analysis of human hair single fibres by scanning microbeam SAXS
Hair curliness is due to uneven distribution of different cortices within the hair fiber.
research Extractable substances from human hair: a discussion about the origin of the holes
Holes in mature hair are likely caused by the removal of substances during hair care.
research Improved Humidity-Resistant Hair Straightening Using a Cysteamine-Derived Amino Acid Compound
A cysteamine-derived compound helps hair stay straight in high humidity.
research Effectiveness of blue LED in enhancing hair treatments: Analysis in different hair ethnicities
Blue LED light improves hair treatments for Caucasian and Asian hair but not for African hair.
research 898 Homeostatic activation of epidermal HSD11b1 affects skin innervation and non-histaminergic itch
HSD11b1 affects skin nerves and increases non-histaminergic itch.
research Metal-Chelation-Assisted Deposition of Polydopamine on Human Hair: A Ready-to-Use Eumelanin-Based Hair Dyeing Methodology
Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
research The role of hemp (Cannabis sativa L.) in cosmeceuticals and personal care: A systematic review
Hemp shows promise for skincare and hair care due to its therapeutic properties, but standardization and clinical evidence are needed.
research Ultrastructural alterations and environmental exposure influence the opiate concentrations in hair of drug addicts
Environmental factors can greatly reduce drug levels in hair.
research The physical and chemical disruption of human hair after bleaching – studies by transmission electron microscopy and redox proteomics
Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
research Alopecia: A Pathologist's View
The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.
research Scalp Surgery: Anatomic and Biomechanical Considerations
The document concludes that following specific surgical guidelines can improve scalp surgery results and reduce complications.