research Hair Lipid Structure: Effect of Surfactants
Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.
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60-90 / 1000+ resultsresearch Effects of Chemical Straighteners on the Hair Shaft and Scalp
Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
research Rice Derivatives in Hair Protection
Rice derivatives in conditioners protect and improve hair health.
research Natural Green Sugar-Based Treatment for Hair Styling
Scientists created a non-toxic, sugar-based hair product that can style hair without damage.
research Bleached Hair as a Standard Template to Evaluate the Performance of Commercial Hair Repair Products
K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
research Human Hair Keratin Responds to Oxidative Stress via Reactive Sulfur and Supersulfides
Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
research Interactions Between Damaged Hair Keratin and Juglone as a Possible Restoring Agent: A Vibrational and Scanning Electron Microscopy Study
Juglone from walnut extracts may help repair damaged hair.
research Pharmacologic Interventions in Aging Hair
Minoxidil and Finasteride are effective for male baldness; more research is needed for hair aging treatments.
research An Overview of Chemical Straightening of Human Hair: Technical Aspects, Potential Risks to Hair Fiber and Health, and Legal Issues
Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
research Human Hair and the Impact of Cosmetic Procedures: A Review on Cleansing and Shape-Modulating Cosmetics
Future hair cosmetics will be safer and more effective.
research The Shampoo pH Can Affect the Hair: Myth or Reality?
Shampoo pH can affect hair health, with alkaline shampoos potentially causing damage and acidic shampoos reducing frizz.
research Hair as an Index of Protein Malnutrition
Hair cystine levels may indicate protein malnutrition, but more research is needed.
research Cheating on Forensic Hair Testing? Detection of Potential Biomarkers for Cosmetically Altered Hair Samples Using Untargeted Hair Metabolomics
Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
research Pili Torti: A Feature of Numerous Congenital and Acquired Conditions
Pili torti is a rare condition where hair is twisted and breaks easily, often linked to genetic disorders or other health issues.
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 Quantifying the Effects of Repeated Dyeing: Morphological, Mechanical, and Chemical Changes in Human Hair Fibers
Repeated hair dyeing significantly damages hair.
research Adverse Effects of the 5-Alpha-Reductase Inhibitor Finasteride on Daphnia Magna: Endocrine System and Lipid Metabolism Disruption
Finasteride harms Daphnia magna's reproduction, growth, and metabolism.
research Effect of Surfactant Type on the Dyeability and Color Resistance of Semi-Permanent Basic Hair Dye
Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
research Protein Carbonylation As A Reliable Read-Out Of Urban Pollution Damage/Protection Of Hair Fibers
research Evaluation of Cysteic Acid in Bleached Hair Using Infrared Spectroscopy
Bleaching hair increases cysteic acid levels in a predictable way.
research Application of XANES Profiles to X-Ray Spectromicroscopy for Biomedical Specimens: Part II. Mapping Oxidation State of Cysteine in Human Hair
Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
research Copper and Calcium Uptake in Colored Hair
Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
research Change in Surface Chemistry of the Cuticle of Human Hair by Chemical and Photochemical Oxidation
Oxidation changes human hair by breaking down fats and forming new acidic groups, affecting how it interacts with conditioners and cosmetics.
research Comparison of Damage to Human Hair Fibers Caused by Monoethanolamine- and Ammonia-Based Hair Colorants
Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
research Investigating the Relationship Between the Hair Fiber Proteome and Hair Quality
Hair quality is genetically determined and linked to its composition and strength.
research Action of Thioglycolic Acid and L-Cysteine on Disulfide Cross-Links in Hair Fibers During Permanent Waving Treatment
Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
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 Effect of Ethnicity and Treatments on In Situ Tensile Response and Morphological Changes of Human Hair Characterized by Atomic Force Microscopy
Different ethnicities and treatments affect human hair strength and structure.
research Chemical Modification of Keratin Fibers Using 2-Iminothiorane Hydrochloride
2-iminothiorane hydrochloride improves hair waving permanence without damage.
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.