January 2019 in “Journal of cosmetology & trichology” L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.
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.
September 2024 in “Journal of the American Academy of Dermatology” The supplements improved hair density and reduced hair loss.
June 2023 in “Italian journal of dermatology and venereology” The oral supplement improved hair loss in patients with telogen effluvium.
51 citations
,
January 2004 in “European Journal of Cell Biology” Human cathepsin V can replace mouse cathepsin L to maintain normal skin and hair in mice.
10 citations
,
November 2018 in “Genetics in medicine” Lack of cystatin M/E causes thin hair and dry skin.
May 2018 in “International journal of clinical obstetrics and gynaecology” N-acetyl cysteine and metformin both improved fertility in women with PCOS equally, but N-acetyl cysteine had fewer side effects.
October 2006 in “Clinical Cancer Research” Antioxidants can block the cancer-fighting effects of doxorubicin.
October 2021 in “QJM: An International Journal of Medicine” N-acetyl-cysteine improves hair growth and is safe for treating early male hair loss.
32 citations
,
January 1966 in “Archives of Dermatology” The method accurately measures hair growth with minimal risk and is better than other techniques.
7 citations
,
January 1966 in “Archives of Dermatology” The method accurately measures hair growth with minimal risk and is better than other methods.
6 citations
,
January 1998 in “Journal of applied cosmetology” 35 citations
,
September 1994 in “Journal of Investigative Dermatology” January 2007 in “Leather Science and Engineering” 1 citations
,
January 2004 in “Adelaide Research & Scholarship (AR&S) (University of Adelaide)” SPARC likely aids in tissue remodeling during the hair cycle, not in starting new hair growth phases.
1 citations
,
January 1971 in “Acta dermato-venereologica” Mice hair follicles take in the amino acid cystine.
14 citations
,
January 2004 in “Journal of Biochemical and Molecular Toxicology” Mustard gas exposure causes hair loss, but treating with N-acetylcysteine can prevent it.
4 citations
,
December 1962 in “European journal of endocrinology” Alloxan diabetes, methylthiouracil, cortisone, and adrenaline affect how white mice hair follicles use glucose and cystine and their cell division.
226 citations
,
January 2006 in “International review of cytology” Keratin-associated proteins are crucial for hair strength and structure.
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.
140 citations
,
August 2010 in “Pigment Cell & Melanoma Research” We know a lot about mouse hair color, but not much about human hair color differences.
73 citations
,
June 2006 in “Animal genetics” The FGF5 gene determines hair length in dogs.
71 citations
,
August 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.
62 citations
,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.
51 citations
,
January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
39 citations
,
June 2012 in “Journal of Structural Biology” Disulfide bonds are crucial for hair structure during keratinization.
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.
34 citations
,
September 2007 in “Experimental Dermatology” The outer layer of Merino wool is rich in sulfur proteins, making it resistant to damage.
31 citations
,
February 2007 in “Journal of Structural Biology” Oxidation changes the structure of hair protein filaments, causing them to compact and rearrange.