January 2025 in “PLoS ONE” ING5 is crucial for stem cell maintenance and preventing certain cancers.
February 2023 in “Molecules” Cactus extract from Notocactus ottonis may help promote hair growth.
January 2025 in “Molecules” Caffeine may help with hair loss, but more research is needed to confirm its effectiveness.
83 citations,
April 1992 in “Journal of Biological Chemistry” Four-amino acid part makes enzyme sensitive to finasteride.
April 1992 in “Current opinion in therapeutic patents” New steroids were patented as effective for treating acne, hair loss, and other conditions related to hormones.
3 citations,
January 2022 in “Precision medicine and clinical omics” Beta-sitosterol and stigmasterol might help prevent hair loss by blocking a specific enzyme.
Finasteride harms Daphnia magna's reproduction and metabolism.
43 citations,
April 2005 in “The Journal of Dermatology” Biotin supplements improved skin and hair in a biotin-deficient infant on amino acid formula.
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.
15 citations,
October 1970 in “Archives of disease in childhood” Hair amino acid levels can indicate metabolic disorders.
November 2023 in “Scientific reports” The research identified and described a gene important for hormone conversion in endangered catfish, which varies in activity during different reproductive stages and after hormone treatment.
November 2022 in “International Journal of Applied Pharmaceutics” Ergostadienol from Moringa seed oil may help prevent hair loss.
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
76 citations,
September 1992 in “Endocrinology” The human type II 5α-reductase gene has a specific structure important for understanding certain medical conditions.
7 citations,
August 2019 in “Bioorganic & medicinal chemistry” Analog 23 is a promising compound for prostate cancer treatment.
6 citations,
June 2012 in “PloS one” A new mRNA variant of the SCF gene in sheep skin produces a shorter, different protein.
December 2013 in “대한피부미용학회지” Wheat sprout extract (fr. 5) promotes hair growth similar to minoxidil.
August 2023 in “Dermatology reports” A baby with maple syrup urine disease improved from skin problems by adjusting his diet to correct amino acid levels.
January 2008 in “Chinese Journal of Spectroscopy Laboratory” Cysteine formation on hair indicates damage, best detected at pH 4.5.
December 2012 in “Bulletin of Egyptian Society for Physiological Sciences” Copper (II) albumin complex improves healing of severe burns by its antioxidant, anti-inflammatory, and pain relief properties.
1 citations,
October 2022 in “Veterinary pathology” Some canine hair follicle tumors contain amyloid deposits, with a protein called CK5 involved in their formation.
16 citations,
October 2009 in “Xenobiotica” The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
August 2019 in “Research Square (Research Square)” Certain long non-coding RNAs in cashmere goats affect hair growth when treated with a specific growth factor.
July 2009 in “International Journal of Cosmetic Science” Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
18 citations,
July 2016 in “Genetica” BMP4 gene is crucial for hair follicle development in Liaoning cashmere goats.
January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” Applying L-methionine and L-serine to the skin promotes the most hair growth.
11 citations,
January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
11 citations,
January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
4 citations,
May 2017 in “Pediatric Dermatology” The study found that Short Anagen Syndrome results in short hair growth not due to hair fragility, and hair may grow longer after puberty.
September 2008 in “Pediatric Rheumatology” Two children with lysinuric protein intolerance showed symptoms similar to lupus.