January 2019 in “Journal of cosmetology & trichology” L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.
June 2021 in “Journal of emerging technologies and innovative research” Onion and Aloe vera can help protect hair from damage caused by hair dyes.
January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” Applying L-methionine and L-serine to the skin promotes the most hair growth.
9 citations,
October 2008 in “Mutation research” N-acetyl-L-cysteine (NAC) can prevent DNA damage and protect cells from harm.
38 citations,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
43 citations,
July 2012 in “Molecular human reproduction” Certain metabolites are lower in women with PCOS and could be potential markers for the condition.
24 citations,
January 2020 in “International Journal of Molecular Sciences” Some plants with flavonoids may help treat hair loss and promote hair growth.
24 citations,
May 2006 in “Proceedings of the National Academy of Sciences of the United States of America” Budesonide and N-acetylcysteine reduced tumors and alopecia in mice, regardless of FHIT gene status.
12 citations,
January 2016 in “Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie” Researchers found a new mutation in the EDA gene that likely causes missing teeth and mild skin symptoms in one family.
4 citations,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
42 citations,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
1 citations,
July 2017 in “Microbial Cell Factories” Adding soybean oil to Nonomuraea dietziae increases production of a beneficial compound by improving metabolism and enzyme systems.
December 2016 in “Springer eBooks” Chrousos Syndrome is caused by mutations that make the body less sensitive to glucocorticoids, leading to various symptoms and requiring high-dose treatment.
Plant roots respond to fungus smells by possibly using certain proteins and a plant hormone to change root growth, but more research is needed.
5 citations,
August 2007 in “PubMed” Amino acids in conditioners improve hair strength, hydration, and color retention.
25 citations,
January 2017 in “International Journal of Trichology” Most Indian people with hair loss in the study lacked nutrients, especially iron.
7 citations,
February 2017 in “Open veterinary journal” Tiger cubs fed artificial milk lacking certain amino acids developed eye problems and hair loss.
Hair analysis can help identify specific minerals and amino acids linked to various diseases.
June 2024 in “Ecotoxicology and Environmental Safety” Finasteride harms Daphnia magna's reproduction, growth, and metabolism.
4 citations,
November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
451 citations,
March 2005 in “Endocrine Reviews” The enzyme steroid sulfatase is linked to breast cancer and other conditions, and inhibitors are being developed for treatment.
16 citations,
April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
65 citations,
July 2006 in “Journal of biological chemistry/The Journal of biological chemistry” The gene Foxq1, controlled by Hoxc13, is crucial for hair follicle differentiation.
26 citations,
April 2019 in “Genes” lncRNA XLOC_008679 and gene KRT35 affect cashmere fineness in goats.
13 citations,
July 2017 in “Biopolymers” Recombinant keratins can form useful structures for medical applications, overcoming natural keratin limitations.
5 citations,
July 2003 in “Drug Development Research” Fluridil promotes hair growth safely and effectively for androgenetic alopecia.
2 citations,
September 2020 in “Biomedical materials” Recombinant keratin materials may better promote skin cell differentiation than natural keratin.
1 citations,
March 2021 in “Current Dermatology Reports” Various treatments help hair growth, but more research needed for safety and effectiveness.
86 citations,
May 2002 in “Journal of comparative neurology” Nerve growth in mouse skin and hair follicles happens in stages and is closely linked to hair development.
January 2024 in “Biotechnology advances” Bioassays help find useful compounds in nature for making medicines, supplements, and cosmetics.