2 citations
,
August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.
88 citations
,
July 1958 in “Nature” Citrulline was found in hair follicle proteins for the first time.
5 citations
,
December 1942 in “Journal of the American Medical Association” Choline and biotin are important for liver health and preventing certain deficiencies in animals, and more research is needed to understand their benefits in humans.
February 2019 in “Neoreviews” The infant with a urea cycle disorder improved with treatment and a liver transplant.
9 citations
,
August 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
3 citations
,
April 2015 in “Current problems in dermatology” A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
35 citations
,
August 2010 in “The American journal of pathology” Researchers created a new mouse model for studying Citrullinemia Type I and similar conditions, showing symptoms and treatment responses like those in humans.
14 citations
,
February 1991 in “FEBS Letters” Introducing the rat OTC gene partially corrected OTC deficiency in mice.
38 citations
,
April 2016 in “The Journal of Pathology” Alkaline ceramidase 1 is crucial for healthy skin and energy balance.
19 citations
,
July 2015 in “Journal of inherited metabolic disease” Methionine restriction works better than betaine for treating CBS deficiency symptoms in mice.
October 2025 in “JCI Insight” Rosemary extract helps skin heal faster by activating a specific receptor.
18 citations
,
April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
1 citations
,
January 1996 Cysteine and arginine are essential for hair growth and thickness.
2 citations
,
August 2024 in “Molecular Genetics & Genomic Medicine” Biotin mega-dose therapy led to dramatic improvement in a newborn with a rare metabolic disorder.
29 citations
,
January 2020 in “BioMed Research International” Sinapic acid may help fight obesity and promote hair growth.
10 citations
,
May 1974 in “American journal of diseases of children” The girl had a rare disorder causing mental and physical symptoms, with weak hair and unclear neurological issues.
2 citations
,
May 2021 in “Neuropathology & applied neurobiology/Neuropathology and applied neurobiology” Correct diagnosis and treatment are crucial for effective management of lipid storage myopathies.
56 citations
,
October 2007 in “Journal of Biological Chemistry” Cathepsin L is essential for heart health and its absence causes heart problems and hair loss.
113 citations
,
June 2010 in “Biological Chemistry” Cathepsin L deficiency causes large, abnormal cell structures and health issues in mice.
12 citations
,
November 2020 in “Molecules” Carvone helps treat skin issues by reducing melanin and stopping harmful cell growth.
9 citations
,
January 2006 in “Cutaneous and ocular toxicology” L-cystine, D-pantothenat, and miliacin together significantly boost keratinocyte growth and metabolism.
January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” Applying L-methionine and L-serine to the skin promotes the most hair growth.
June 2024 in “Current Developments in Nutrition” KeraGLO improves skin and hair health.
A molecule called α-ketobutyrate was found to extend lifespan and improve aging-related symptoms in worms and mice by activating certain cellular pathways and may help develop anti-aging treatments for humans.
8 citations
,
November 1976 in “Journal of Investigative Dermatology” 7 citations
,
February 2011 in “Journal of dermatology” The 736T>A mutation in the LIPH gene is common in Japanese people with autosomal recessive woolly hair.
January 2016 in “Zurich Open Repository and Archive (University of Zurich)” Dietary L-serine supplementation can reduce symptoms of HSAN1 by lowering harmful 1-deoxySL levels.
January 2019 in “Journal of cosmetology & trichology” L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.
5 citations
,
February 2025 in “Cell Reports” Skin acetyl-CoA synthesis is crucial for overall lipid balance.
September 2023 in “International journal of molecular sciences” Targeting lipid metabolism can help treat advanced, resistant cancers.