August 2025 in “International Journal of Molecular Sciences” Broccoli sprout extract may help regrow hair by improving hormone metabolism.
15 citations
,
October 1970 in “Archives of disease in childhood” Hair amino acid levels can indicate metabolic disorders.
4 citations
,
November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
112 citations
,
May 2019 in “Pharmacological Research” Lignans and neolignans from plants may help protect against various health issues, including cancer and heart disease.
81 citations
,
October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain genes control the color of human hair by affecting pigment production.
66 citations
,
October 1984 in “Annual Review of Microbiology” Toxic Shock Syndrome cases increased due to new factors, but decreased with public health measures and changes in tampon use.
6 citations
,
April 2023 in “Frontiers in plant science” Certain bacteria can boost lentil growth and improve soil used for farming.
6 citations
,
April 2021 in “Scientific Reports” Phytochrome A is crucial for normal metabolism and development in tomato seedlings under far-red light.
3 citations
,
October 2022 in “Han'gug dongmul jawon gwahag hoeji/Han-guk dongmul jawon gwahak hoeji/Journal of animal science and technology” Adding L-glutamine to the diet of Hanwoo steers may boost their immune system and help them cope with heat.
1 citations
,
April 2015 in “Current problems in dermatology” The document concludes that the trichogram is a useful tool for diagnosing hair loss and suggests semi-organ cultures for practical trichological research.
December 2025 in “Universal library of medical and health sciences.” Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
April 2015 in “Journal of Nutritional Therapeutics” Looser dietary restrictions can improve growth and reduce illness in methylmalonic acidemia patients.
26 citations
,
May 2021 in “International Journal of Molecular Sciences” Cheonggukjang may help prevent and manage various diseases and improve overall health, but its odor and safety concerns need addressing.
20 citations
,
February 2023 in “Biology” Innovative cosmetics could safely change hair color by targeting biological hair pigmentation processes.
9 citations
,
November 2024 in “Biotechnology for Sustainable Materials” Keratin-based biomaterials are promising for wound healing, drug delivery, and nerve regeneration due to their biodegradability and biocompatibility.
4 citations
,
November 2022 in “Nutrients” Cow placenta extract has strong antioxidant effects and can delay skin aging in mice.
2 citations
,
October 2023 in “Animals” Lacto-fermentation changes amino acid profiles in bovine colostrum, but results are inconsistent.
December 2024 in “Animals” Tithonia diversifolia extract improved digestion but didn't enhance lamb growth.
March 2024 in “Animal nutrition” Adding both soluble and insoluble fibers, especially beet pulp, to the diet of pregnant sows helps improve their health and the growth of their piglets in hot weather.
January 2022 in “Sustainable development goals series” The document concludes that significant investment in agricultural innovation is necessary to achieve global food security and nutrition.
August 2025 in “Animal nutrition” α-Ketoglutaric acid improves hair growth, rabbit performance, and antioxidant levels.
38 citations
,
April 2020 in “IntechOpen eBooks” Phenylalanine may help with depression but can cause issues if not properly processed.
13 citations
,
January 2013 in “Molecular genetics and metabolism” Proper diet management is crucial for phenylketonuria patients to avoid severe health issues.
12 citations
,
June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
76 citations
,
December 2011 in “Journal of Cell Science” Different keratin types have unique amino acid patterns that are evolutionarily conserved.
73 citations
,
June 2006 in “Animal genetics” The FGF5 gene determines hair length in dogs.
30 citations
,
March 2019 in “Archives animal breeding/Archiv für Tierzucht” The KRTAP15-1 gene affects cashmere fiber thickness in goats.
19 citations
,
May 1992 in “International Journal of Dermatology” Some alternative vitiligo treatments show promise, but none are as effective as psoralens and UVA.
7 citations
,
February 2017 in “Open veterinary journal” Tiger cubs fed artificial milk lacking certain amino acids developed eye problems and hair loss.
5 citations
,
October 2007 in “PubMed” Amino acids in conditioners improve hair strength, hydration, and color retention.