research Analysis of Structural Change in Keratin Fibers Resulting from Chemical Treatments Using Raman Spectroscopy
Chemical hair straightening changes hair proteins and mostly fixes broken bonds.
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research Reduction Mechanism of L-Cysteine on Keratin Fibers Using Microspectrophotometry and Raman Spectroscopy
L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
research Analysis of Heterogeneous Reaction Between Reducing Agents and Keratin Fibers Using Raman Spectroscopy and Microspectrophotometry
The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
research Chemical Modification of Keratin Fibers Using 2-Iminothiorane Hydrochloride
2-iminothiorane hydrochloride improves hair waving permanence without damage.
research Raman Spectroscopic Analysis of L-Phenylalanine and Hydrolyzed Eggwhite Protein Penetration into Keratin Fibers
L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
research The Susceptibility of Disulfide Bonds to Modification in Keratin Fibers Undergoing Tensile Stress
Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
research The Binding of Small Molecules and Polymers to Keratin and Their Effects on the Physicochemical and Surface Properties of Hair Fibers
Certain small molecules and polymers can change hair's physical properties and how it feels by affecting the bonds within the hair.
research New Method of Dyeing Keratin Fibers Using Poly(Ethylene Imine) and Its Coloring Mechanism
A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.
research Diffusion Behavior of Poly(Ethylene Imine) Into Keratin Fibers Using Microspectrophotometry
PEI diffuses into hair at a constant rate, and urea speeds up this process.
research Influence of Urea on the Coloring Ability of a Low-Temperature Coloring Method of Keratin Fibers Using Polyethyleneimine
Urea helps hair dye penetrate better and last longer.
research Fundamental Studies on the Interaction Between Moisture and Textiles. Part X. Moisture Sorption Properties of Wool and Hair Fibers
Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
research Structure and Mechanical Properties of Human Trichocyte Keratin Intermediate Filament Protein
Disulfide bonds make keratin in hair stronger and tougher.
research Chronological Aging of Human Hair Keratin Fibers
Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
research The Structure of the Amorphous Matrix of Keratins
Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
research The Influence of Electrode Potentials on the Extent of Reduction of Cystine in Hair Fibers by Reducing Agents
The effectiveness of reducing agents on hair fibers depends on their electrode potentials.
research Morphology and Properties of Hair
Hair is made of strong keratin fibers that protect against the environment.
research Volume Changes During Water Binding to Hair Fibers
Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
research Exploring the Effects of Wetting and Free Fatty Acid Deposition on a Hair Fiber Surface Model Incorporating Keratin Associated Protein 5-1
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
research A Practical Guide to Treatment of Hair Loss Beyond Standard Therapy
The guide suggests using keratin fibers and wigs to help hair look thicker or hide hair loss.
research Strategies for Improved Hair Binding: Keratin Fractions and the Impact of Cationic Substructures
Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
research Insights on the Mechanical Behavior of Keratin Fibrils
Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
research Keratin Network Modifications Lead to the Mechanical Stiffening of the Hair Follicle Fiber
Changes in keratin make hair follicles stiffer.
research Keratin
Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
research Biomechanical Properties of Human Hair with Different Parameters
Thicker hair is stronger, regardless of age, gender, or other factors.
research Pigmented Concealing Powders for Hair Loss Patients
Pigmented concealing powders can improve the look of hair density for people with hair loss but need daily application and may not work well in wet conditions.
research Disulfide Cross-Linked Network Structure of Intermediate Filament and Matrix in Hair and Wool Cortices
Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
research Possible Relationships Between the Physical Conditions of Cattle and the Occurrence of Structural Modifications of Their Coat Hair
Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
research Properties of Partially Extracted Hairs and Their Degradability by Proteases
Mf-rich hair degrades more than Ma-rich hair, especially with Proteinase K.
research A Raman Spectroscopic Investigation of the Mechanism of the Reduction in Hair with Thioglycerol and the Accompanying Disulphide Conformational Changes
Thioglycerol treatment at pH 9.0 with ammonia causes less hair damage and better waving than thioglycolic acid.
research Internal Structure Changes in Bleached Black Human Hair Resulting from Chemical Treatments: A Raman Spectroscopic Investigation
Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.