L-cysteine
Research
20 / 1000+ resultsresearch Effects of the Usage of L-Cysteine on Human Health
This review discusses the potential health benefits of L-Cysteine, noting increased research interest but highlighting a lack of clinical trial data for consensus on its effectiveness.
research Chemoprevention of Smoke-Induced Alopecia in Mice by Oral Administration of L-Cystine and Vitamin B6
This study found that oral administration of l-cystine with vitamin B6 effectively prevents environmental cigarette smoke-induced alopecia in mice by reducing hair bulb cell apoptosis.
research Reduction Mechanism of L-Cysteine on Keratin Fibers Using Microspectrophotometry and Raman Spectroscopy
In this study, researchers found that L-cysteine interacted electrostatically with anionic ions on the surface of keratin fibers in human hair, reducing the rate of disulfide bond disconnection at pH 9.0.
research Action of Thioglycolic Acid and L-Cysteine on Disulfide Cross-Links in Hair Fibers During Permanent Waving Treatment
This study observed that repeated perm treatments decrease disulfide bonds in hair due to their conversion largely into cysteic acid, affecting the waving efficiency depending on the reduction agent used.
research Study on Modification of Rabbit Hair Fibers with L-Cysteine
This study found that L-cystine-modified rabbit hair fibers had improved dye adsorption and spinnability, due to changes in secondary structure and surface characteristics.
research Redox-Modulatory and MET-Inhibitory Triad: Synergistic Cytotoxicity of L-Cysteine, NAC, and MET Inhibition in Cervical Cancer Cells
In this study, combining L-cysteine and N-acetylcysteine with MET inhibition enhanced cytotoxicity in cancer cell lines by sensitizing them to MET inhibition through redox stabilization, suggesting a promising approach for improving MET-targeted cancer therapies without additional oxidative or chemotherapeutic stress.
research Liquid Chromatography-Mass Spectrometry Based Isotopic Abundance Ratio Analysis of the Consciousness Energy Healing Treated L-Cysteine
In this study, L-cysteine treated with the Trivedi Effect® showed significantly increased isotopic abundance ratios, which may enhance its stability and shelf-life.
research Chemoprevention of Doxorubicin-Induced Alopecia in Mice by Dietary Administration of L-Cystine and Vitamin B6
This study demonstrated that high doses of L-cystine and vitamin B6 effectively prevent doxorubicin-induced hair loss in mice.
research L-Cystine-Containing Hair-Growth Formulation Supports Protection, Viability, and Proliferation of Keratinocytes
This study found that a combination of oral compounds improved metabolic activity, cell viability, and proliferation in hair follicular keratinocytes, with L-cystine playing a key role in protection against oxidative stress.
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
In this study, researchers found that supplementation with L-cystine, either alone or with a keratin hydrolysate, significantly improved hair density, hair and nail brightness, and nail growth in women experiencing acute telogen effluvium and brittle nail syndrome over three months.
research Low Dosage Retinol and L-Cystine Combination Improve Alopecia of the Diffuse Type Following Long-Term Oral Administration
This study concluded that high-dose oral therapy with L-cystine, gelatin, and vitamin A significantly improved hair growth indicators in patients with diffuse hair loss, with no systemic side effects observed.
research Utilization of L-Cystine and L- and D-Methionine by Mink During the Period of Intensive Hair Growth
Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.
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
In this clinical trial, supplementation with Lambdapil® Anti Hair Loss capsules for 6 months significantly improved hair resistance and volume in women and increased the anagen/telogen hair ratio in men, indicating enhanced hair growth compared to the placebo group.
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
No specific results were reported in this abstract; it aims to explore the psychological effects of hair loss conditions like Chronic Telogen Effluvium and Androgenetic Alopecia, emphasizing the potential link between micronutrient deficiency and hair health.
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
This study found that after 6 months of taking an oral supplement, patients with chronic telogen effluvium or androgenetic alopecia experienced a statistically significant increase in hair density and overall improved hair appearance compared to those taking a placebo, with the supplement being well tolerated.
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
In this study, researchers evaluated an oral supplement containing arginine, l-cystine, zinc, and vitamin B6, finding it effective as an adjuvant treatment for telogen effluvium, as indicated by improved hair quantity and diameter after three months in 18 patients.
research The Human Cysteine Protease Cathepsin V Can Compensate for Murine Cathepsin L in Mouse Epidermis and Hair Follicles
Human cathepsin V can replace mouse cathepsin L to maintain normal skin and hair in mice.
research Study on Extraction of L-Cystine from Cattle Hair
research Study on Extraction of L-Cystine by Acid-Hydrolysis of Hairs
research Electron Microscopic and Autoradiographic Study of S35-L-Cystine Incorporation in Mouse Hair Follicles
Mice hair follicles take in the amino acid cystine.