2 citations
,
December 2019 in “Textile Research Journal” L-cysteine and ultrasound successfully improved rabbit hair fibers for industrial use.
2 citations
,
December 2014 Low biotin intake during pregnancy can affect biotin transport in mothers and fetuses.
139 citations
,
December 2020 in “Cell Stem Cell” Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.
34 citations
,
October 2021 in “Scientific Reports” Nobiletin-loaded vesicles effectively treat skin cancer by restoring normal miRNA and antioxidant levels.
28 citations
,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
7 citations
,
June 2021 in “Cell Proliferation” Low oxygen levels improve the function of hair and skin cells when they are in direct contact.
1 citations
,
February 2022 in “Open Access Macedonian Journal of Medical Sciences” Low zinc levels might contribute to early hair graying.
January 2009 in “Egyptian Journal of Medical Human Genetics” The study suggests that a specific gene variation and higher gene activity are linked to increased baldness in Egyptian men.
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 “Kocaeli tıp dergisi” People with chronic hair loss may have a higher chance of Vitamin B12 deficiency.
3 citations
,
September 2017 in “Galen medical journal” Patients with psoriasis and cutaneous-oral lichen planus have higher blood homocysteine levels than healthy people.
18 citations
,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
3 citations
,
January 2017 in “Journal of cosmetology & trichology” The food supplement with L-cystine, Serenoa repens extract, and biotin safely reduced hair loss and improved hair growth in men and women.
January 2025 in “International Journal of Gynaecology Research” Adolescent females with PCOS have higher serum cystatin C levels, indicating potential metabolic and cardiovascular issues.
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.
January 2019 in “Journal of cosmetology & trichology” L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.
11 citations
,
September 2012 in “Journal of animal physiology and animal nutrition” Higher protein diets with DL-methionine improve mink hair growth and fur quality.
January 2025 in “Advances in Dermatology and Allergology” Eating foods with sulfhydryl may worsen pemphigus vulgaris.
16 citations
,
October 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
10 citations
,
November 2018 in “Genetics in medicine” Lack of cystatin M/E causes thin hair and dry skin.
4 citations
,
December 2013 in “Acupuncture and related therapies” N-acetyl-cysteine shows promise in treating various diseases and may improve skin and hair conditions, but more research is needed on dosages and long-term effects.
September 2025 in “Turkish Journal of Dermatology” Oxidative stress may play a role in alopecia areata, but depression and suicide risk are similar to healthy peers.
4 citations
,
December 2020 in “Mammalian genome” Harlequin mutant mice have hair loss due to low AIF protein levels and retroviral element activity.
10 citations
,
October 2016 in “Journal of Biomolecular NMR” Solid-state NMR can effectively study keratin structure and treatment effects in fur.
7 citations
,
May 1978 in “International Journal of Dermatology” Recent hair loss research shows some progress, especially in understanding male pattern baldness, but effective treatments for many types of hair loss are still lacking.
7 citations
,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
11 citations
,
January 1997 in “Journal of Dermatological Science” A new protein linked to hair strength was identified, aiding in understanding brittle hair conditions.
191 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
38 citations
,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
7 citations
,
January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.