87 citations,
March 2005 in “Journal of Dermatological Science” Asiasari radix extract promotes hair growth and increases protein synthesis and cell proliferation.
January 2006 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” Rubus coreanum may help hair growth but not through the tested mechanisms, and none of the herbal extracts help with acne.
L-PGDS has specific binding sites for its functions and could help in drug delivery system design.
2 citations,
February 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” The Asiatic lion has very low genetic diversity and unique genetic traits, highlighting the need for its conservation.
38 citations,
May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Not having enough cystatin M/E protein causes less hair growth and dry skin.
22 citations,
May 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Cystatin M/E helps in the final stages of hair and nail formation by controlling certain enzymes.
Plant roots respond to fungus smells by possibly using certain proteins and a plant hormone to change root growth, but more research is needed.
20 citations,
June 2013 in “Journal of Lipid Research” The research explains how a human enzyme binds and processes its substrate, which could relate to its role in biological functions and hair loss.
9 citations,
June 1947 in “Analytical Chemistry” Cold waving solutions quickly reduce cystine to cysteine in hair.
3 citations,
April 2011 in “Neuropsychiatry” Behavioral therapy, N-acetyl cysteine, and olanzapine may help treat trichotillomania.
11 citations,
June 2012 in “Archives of Dermatological Research” L-cystine and vitamin B6 at high doses prevented hair loss in mice treated with a chemotherapy drug.
146 citations,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
2 citations,
August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.
January 2019 in “Journal of cosmetology & trichology” L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.
40 citations,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” S100A3 protein is crucial for hair shaft formation in mice.
36 citations,
December 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
28 citations,
October 2011 in “International Journal of Molecular Medicine” Adenosine helps hair grow longer and stronger by boosting certain growth factors and signaling pathways.
17 citations,
December 2002 in “Biochemical and biophysical research communications” Scientists found out how a specific protein in human hair cuticles behaves and is structured.
5 citations,
January 2003 in “Oilseeds and fats, crops and lipids/OCL. Oilseeds & fats crops and lipids” Vegetable protein lowers cholesterol and protein deficiency can cause health issues.
February 2024 in “International Journal of Health and Pharmaceutical” Black rice extract ointment significantly promotes hair growth in Wistar rats.
June 2021 in “Journal of emerging technologies and innovative research” Onion and Aloe vera can help protect hair from damage caused by hair dyes.
67 citations,
December 1990 in “The journal of cell biology/The Journal of cell biology” Researchers found genes for cysteine-rich proteins that form the protective layer of hair in humans and sheep.
48 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
9 citations,
June 2022 in “Plants” Shallot extract may help with hair growth and treating hair loss.
38 citations,
February 2012 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
5 citations,
July 2014 in “Acta Crystallographica Section D-biological Crystallography” Mutations in the enzyme don't significantly change how it binds to its specific substances.
2 citations,
November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
47 citations,
January 2007 in “Therapy” The dietary supplement helped increase hair growth in women with hair loss.
36 citations,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.