research Distribution of Glycolipid and Unsaturated Fatty Acids in Human Hair
Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
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research Skin and mucosal alterations
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research 3P343 Change of cell membrane complex of a hair fiber caused by hair damage
Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
research Hirsutism
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research Determination of Residual Organic Solvents in Finasteride by Headspace Capillary Gas Chromatography
A new method accurately detects tiny amounts of chloroform and dichloromethane in finasteride.
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.
research Abstracts: Reduction‐induced surface modification of human hair
Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
research A Stability Indicating UPLC Method for Finasteride and Its Related Impurities
A new method effectively analyzes Finasteride and its impurities, even under stress conditions.
research Tribological Properties between Taut Hair Fibers in Wet Conditions: A New Shampoo Formulation for Eliminating Stick‐Slip Friction
Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
research Analysis of Cysteine on the Surface of Hair Fibers with Spectrofluorescence
Cysteine formation on hair indicates damage, best detected at pH 4.5.
research Effect of disulfide bonds in human hair fibers on the melting behavior of their crystalline structure
Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
research Simultaneous determination of 30 hormones illegally added to anti-ageing functional foods using UPLC-MS/MS coupled with SPE clean-up
New method effectively detects illegal hormones in anti-aging foods.
research The Oxidative Degradation of Keratin (Wool and Bovine Hair)
Oxidizing agents break down keratin in wool and hair, causing swelling and increased solubility.
research Solubilities of Flutamide, Dutasteride, and Finasteride as Antiandrogenic Agents, in Supercritical Carbon Dioxide: Measurement and Correlation
Flutamide, dutasteride, and finasteride dissolve differently in supercritical carbon dioxide, with dutasteride dissolving the least.
research In vitro evaluation of changes of hair fibers subjected to oxidation-reductive straighteners associated with dyeing
Straightening and dyeing damage hair structure.
research Novel amino acid‐based surfactant for silicone emulsification and its application in hair care products: a promising alternative to quaternary ammonium cationic surfactants
N‐AOHPA is a promising alternative to traditional surfactants for better hair conditioning.
research Enhancing properties of damaged hair through moisture control via construction of highly hydrophobic surface
A silicone treatment makes damaged hair more water-resistant and stronger.
research Three isostructural solvates of finasteride and their solid-state characterization
Three new finasteride solvates found, change forms under different drying conditions.
research Sulphation catalysed by the human cytosolic sulphotransferases - chemical defence or molecular terrorism?
Human enzymes can detoxify harmful substances but might also increase their cancer risk.
research UV 조사에 의한 모발의 형태,물리적 변화
UV exposure severely damages hair, making it rough and weak.
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 Effects of ultraviolet rays and particulate matter on hair porosity in damaged hair
UV rays and pollution increase hair damage.
research Unveiling the link between surface physicochemistry and nanomechanical behavior in bleached and UV-irradiated human hair fibers
Bleaching and UV exposure significantly damage hair.
research ToF‐SIMS characterization of the lipid layer on the hair surface. II : Effect of the 18‐MEA lipid layer on surface hydrophobicity
18-MEA is essential for hair's water resistance, and a conditioner with 18-MEA and SPDA can restore it.
research Dual Case Reports for Lipid Loss from Human Hair
Changing hair's surface and structure can help protect its natural oils from being washed away.
research The interaction between surfactants and keratinous tissues
Surfactants can protect or harm hair, skin, and nails, depending on their type and use.
research Estudio de la reactividad de los anillos A y C de olean-12-enos naturales para la obtención de sintones quirales
The study found ways to create important compounds for male health from olive waste.
research 2-Substituted 4-(Thio)chromenone 6-O-Sulfamates: Potent Inhibitors of Human Steroid Sulfatase
New compounds were made that block an enzyme linked to breast cancer better than existing treatments.
research The Viscoelastic Properties of Chemically Modified alpha-Keratins in Human Hair
Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
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.