research A Highly Resistant Structure Between Cuticle and Cortex of Human Hair
A tough membrane between the outer and inner layers of human hair protects it from damage.
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research How Different Is Human Hair? A Critical Appraisal of Global Hair Fibre Characteristics and Properties Towards Defining a More Relevant Framework for Hair Type Classification
Human hair varies widely and should be classified by curl type rather than race.
research A Combination of Pyridine-2, 4-Dicarboxylic Acid Diethyl Ester and Resveratrol Stabilizes Hypoxia-Inducible Factor 1-Alpha and Improves Hair Density in Female Volunteers
The combination of specific chemicals improves hair density in women.
research Penetration of Different Molecular Weight Hydrolysed Keratins into Hair Fibres and Their Effects on the Physical Properties of Textured Hair
Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
research Scalp Application of Antioxidants Improves Scalp Condition and Reduces Hair Shedding in a 24-Week Randomized, Double-Blind, Placebo-Controlled Clinical Trial
Using antioxidants on the scalp can make it healthier and decrease hair loss.
research Physical Characterization of the Hair of Mexican Women
Mexican women's hair is between Asian and Caucasian hair in thickness and shape, with varied strength and some damage.
research A Highly Resistant Structure Between the Cuticle and the Cortex of Human Hair. II. CARB, a Penetration Barrier
CARB is a strong barrier in human hair that prevents dye penetration.
research Lipid Distribution and Influence on Hair Structure
Lipids are crucial for maintaining hair structure and health.
research Role of Scalp Health in Achieving Optimal Hair Growth and Retention
Healthy scalp leads to better hair quality and less damage.
research The Analysis of Scalp Irritation by Coacervates Produced in Hair Shampoo via FTIR with Focal Plane Array Detector, X-ray Photoelectron Microscopy and HaCaT Cells
Shampoo coacervates can cause scalp irritation due to released surfactants.
research Learning From Hair Moisture Sorption And Hysteresis
Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.
research Effects of Watercress Extract Fraction on R-Spondin 1-Mediated Growth of Human Hair
Watercress extract helps increase hair growth and thickness by blocking hair loss factors.
research Melanogenesis-Promoting Effect of Cirsium Japonicum Flower Extract In Vitro and Ex Vivo
Cirsium japonicum flower extract increases melanin production and could help treat depigmentation conditions.
research The Impact of Different Hair-Removal Behaviors on the Biophysical and Biochemical Characteristics of Female Axillary Skin
All hair removal methods irritate underarm skin and cause dryness, with shaving being less irritating but more drying than plucking or waxing.
research Heat Transfer in Human Hair
Heat transfer in hair is slower in groups of hair, increasing the risk of damage from high-temperature styling tools.
research Recent Patent Applications for Coffee and Coffee By-Products as Active Ingredients in Cosmetics
Coffee and its by-products are promising for skin health benefits in cosmetics and help reduce environmental impact.
research Development of a Stiffness-Angle Law for Simplifying the Measurement of Human Hair Stiffness
Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.
research Investigation of pH Effect on Cationic Solute Binding to Keratin and Partition to Hair
Solute binding to hair keratin is mainly driven by hydrophobic interactions and changes with pH.
research Sustained Effect of Two Antioxidants (Oxothiazolidine and δ-Tocopheryl Glucoside) for Immediate and Long-Term Sun Protection in a Sunscreen Emulsion Based on Their Different Penetrating Properties
The sunscreen with two antioxidants offers quick and lasting skin protection from sun damage.
research Characteristics of Healthy and Androgenetic Alopecia Scalp Microbiome: Effect of Lindera Strychnifolia Roots Extract as a Natural Solution for Its Modulation
Lindera strychnifolia root extract may help balance scalp bacteria and potentially reduce hair loss.
research Topical Niacinamide Does Not Stimulate Hair Growth Based on the Existing Body of Evidence
Niacinamide does not promote hair growth.
research Age, Lifestyle, and Self-Perceptions of Hair: Is There an Association with Hair Diameter and Tensile Properties?
Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
research Spectroscopy as a Tool to Evaluate Hair Damage and Protection
Chamomile extract can protect hair from damage caused by light.
research Inhibition of Lipogenesis and Sebum Secretion for Lotus Corniculatus Seed Extract In Vitro and In Vivo
Lotus corniculatus seed extract reduces oily skin by decreasing sebum production.
research An Extract of Leontopodium Alpinum Inhibits Catagen Development Ex Vivo and Increases Hair Density In Vivo
Edelweiss extract can increase hair density and promote hair growth.
research Scalp Application of the Antioxidant Piroctone Olamine Reduces Hair Shedding in an 8-Week Randomized, Double-Blind, Placebo-Controlled Clinical Study
Using piroctone olamine on the scalp helps reduce hair loss and improves scalp health.
research Development of Predictive Regression Model for Perceived Hair Breakage in Indian Consumers
The model predicts hair breakage based on key hair properties and helps product developers.
research Insights Into Structural and Proteomic Alterations Related to pH-Induced Changes and Protein Deamidation in Hair
Haircare products with a pH between 5 and 7 are best for maintaining healthy hair.
research Scalp condition improvement with botanical extracts possessing chemical and physical antioxidant activity
research Penetration of Oils into Hair
Plant oils like coconut, camellia, and safflower can penetrate hair, making it stronger and softer.