research Determination of Cystine and Cysteine in Altered Human Hair Fibers
Cold waving solutions quickly reduce cystine to cysteine in hair.
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research Investigation of the Damage on the Outermost Hair Surface Using ToF-SIMS and XPS
Bleaching hair causes significant damage by breaking down proteins and fatty acids.
research The Phototrichogram Method for Evaluating Hair Growth-Promoting Preparations Using a Combination of Millet Fruit Extract, L-Cystine, and Calcium Pantothenate: Results of an In Vivo Study in Women with Androgenetic Alopecia
The combination of millet seed extract, L-cystine, and calcium pantothenate significantly improved hair growth in women with female pattern hair loss.
research Charge Density Alterations in Human Hair Fibers: An Investigation Using Electrostatic Force Microscopy
The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
research Clinical Observation on Acupuncture Treatment of Alopecia Areata
Acupuncture is more effective than medication for treating alopecia areata.
research Electron Microscope Studies of Hair and Wool
Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
research African Hair Morphology: Macrostructure to Ultrastructure
African hair is more fragile due to its unique shape and internal structure.
research Photoaging of Hair Fiber and Photoprotection
Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
research Enzymatic Approach to Analyze the Effects of Mercaptans on Hair
Mercaptans make hair more prone to damage, with reduced hair being more affected than permed hair.
research Structural and Molecular Hair Abnormalities in Trichothiodystrophy
TTD hair brittleness is caused by multiple structural abnormalities.
research Efficacy and Safety of a Food Supplement Containing L-Cystine, Serenoa Repens Extract, and Biotin for Hair Loss in Healthy Males and Females: A Prospective, Randomized, Double-Blinded, Controlled Clinical Trial
The food supplement with L-cystine, Serenoa repens extract, and biotin safely reduced hair loss and improved hair growth in men and women.
research Chemoprevention of Doxorubicin-Induced Alopecia in Mice by Dietary Administration of L-Cystine and Vitamin B6
L-cystine and vitamin B6 at high doses prevented hair loss in mice treated with a chemotherapy drug.
research Trichodynia (Scalp Dysesthesia)
Many people with hair loss experience scalp pain known as trichodynia, but the causes are unclear and treatments vary.
research Dietary Supplement Increases Anagen Hair Rate in Women With Telogen Effluvium: Results of a Double-Blind, Placebo-Controlled Trial
The dietary supplement helped increase hair growth in women with hair loss.
research Oral Supplementation With L-Cystine, Serenoa Repens, Pumpkin Seed Oil, And Pygeum Africanum In Chronic Telogen Effluvium And Androgenetic Alopecia: A Double-Blind, Placebo-Controlled, Randomized Clinical Study
The supplements improved hair density and reduced hair loss.
research Verification Test of Changes in Hair Density and Appearance by Intake of Food Containing Millet Extract, Calcium Pantothenate, L-Cystine, and Biotin
The supplement improved hair density and overall hair beauty.
research Telogen Effluvium Treated With Serenoa Repens Supplement
A supplement with Serenoa repens improved hair loss in a patient.
research Clinical Study on the Efficacy and Tolerability of an Oral Supplement Based on Arginine, L-Cystine, Zinc and B6 Vitamin (Cystiphane) in Patients With Telogen Effluvium
The oral supplement improved hair loss in patients with telogen effluvium.
research Role of Non-Androgenic Factors in Hair Loss and Hair Regrowth
Good nutrition is crucial for healthy hair and can help with hair loss without medication.
research Topical Minoxidil and Dietary Supplement for the Treatment of Chemotherapy-Induced Alopecia in Childhood: A Retrospective Cohort Study
Topical minoxidil and dietary supplements improved hair regrowth in children with hair loss from chemotherapy.
research Oxidative Stress in Aging of Hair
Oxidative stress contributes to hair graying and loss as we age.
research Efficacy and Safety of L-Cystine Associated or Not to a Natural Keratin (Kera-Diet) Hydrolysate on Hair and Nails: Randomized, Placebo-Controlled, Clinical Trial on Healthy Females
L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.
research Oral Supplementation with L-Cystine, Serenoa Repens, Cucurbita Pepo, and Pygeum Africanum in Chronic Telogen Effluvium and Androgenetic Alopecia: A Double-Blind, Placebo-Controlled, Randomized Clinical Study
The supplement significantly improves hair density and appearance in people with hair loss.
research Evaluation of the Effect of a Formulation Containing Millet Extract, Wheat Germ Oil, L-Cystine, and Calcium Pantothenate Using Digital Phototrichogram in Women with Diffuse Alopecia
Millet extract, wheat germ oil, L-cystine, and calcium pantothenate reduced hair loss and improved hair growth in women with diffuse alopecia.
research Study on Extraction of L-Cystine from Cattle Hair
research Effect of Gelatin-Cystine and Serenoa Repens Extract on Free Radicals Level and Hair Growth
research Electron Microscopic and Autoradiographic Study of S35-L-Cystine Incorporation in Mouse Hair Follicles
Mice hair follicles take in the amino acid cystine.
research Study on Extraction of L-Cystine by Acid-Hydrolysis of Hairs
research The Influence of Alloxan Diabetes, Methylthiouracil, Cortisone and Adrenaline on the Utilization of Glucose 14C and L-Cystine 35S and Mitotic Activity by Hair Follicles in White Mice
Alloxan diabetes, methylthiouracil, cortisone, and adrenaline affect how white mice hair follicles use glucose and cystine and their cell division.
research Protein And Sulfur Amino Acid Nutrition Of Hair Fiber-Producing Angora And Cashmere Goats
Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.