146 citations
,
January 2004 in “Hormones” Human skin acts like a hormone-producing organ, making and managing various hormones important for skin and hair health.
135 citations
,
March 2000 in “Journal of Biological Chemistry” Agouti and AGRP affect pigmentation and obesity, with implications for metabolic disorders.
122 citations
,
January 2006 in “Molecular & Cellular Proteomics” Human hair contains many proteins, with some being highly abundant and modified.
98 citations
,
December 2015 in “The Journal of Cell Biology” Keratin is crucial for skin barrier formation and affects mitochondrial function.
91 citations
,
December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
60 citations
,
December 2003 in “Journal of Investigative Dermatology” K6hf is found in specific parts of hair follicles, nails, and tongue, and is linked to hair growth and structure.
4 citations
,
June 2021 in “Frontiers in Pharmacology” Bone marrow stem cells and their medium help hair regrowth.
3 citations
,
August 2025 in “Advanced Therapeutics” Engineered cytokines show promise for improving tissue healing and safety in regenerative medicine.
February 2009 in “Journal of the American Academy of Dermatology” 21 citations
,
March 2023 in “Journal of Crohn s and Colitis” Microvascular damage and platelet issues persist in ulcerative colitis remission, helping assess disease states.
May 2025 in “Frontiers in Pharmacology” New treatments are needed for non-scarring alopecia due to current limitations.
101 citations
,
November 2019 in “The Plant Cell” AtZP1 protein stops root hair growth in plants by blocking certain genes.
16 citations
,
October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
100 citations
,
September 1999 in “British Journal of Dermatology” The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.
1 citations
,
August 2004 in “Alternative & complementary therapies” Non-drug methods like diet, supplements, and aromatherapy can help manage hair loss and its emotional impact.
29 citations
,
August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
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.
9 citations
,
August 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
January 2019 in “Journal of cosmetology & trichology” L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.
75 citations
,
March 2018 in “Molecules/Molecules online/Molecules annual” L-Cysteine may have health benefits, but its effectiveness is still debated due to limited clinical trial data.
40 citations
,
August 2018 in “Skin appendage disorders” Some alternative treatments for hair loss might work, but more research is needed.
4 citations
,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
January 1989 in “Side effects of drugs annual” Some cancer and immune system drugs can cause serious side effects, including heart, lung, nerve, and organ damage, which need careful monitoring and management.
40 citations
,
December 2019 in “Neurobiology of Stress” Neuroactive steroids show promise for treating mental and neurological disorders by targeting GABA_A receptors.
512 citations
,
February 2008 in “Science” Reactive oxygen species and calcium create a feedback loop that shapes root hair cells.
June 2025 in “Asia-Pacific Journal of Molecular Biology and Biotechnology” Papain from papaya may help treat cardiovascular diseases by breaking down fibrin.
April 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Eating raw cheonggukjang improves scalp hair in middle-aged women.
November 2022 in “Journal of the Endocrine Society” A woman's masculine features were caused by a rare ovarian tumor that produced male hormones.
47 citations
,
March 2017 in “Clinical, cosmetic and investigational dermatology” Certain skin conditions may indicate or increase the risk of Parkinson's disease.
7 citations
,
November 1987 in “Pharmacotherapy: The Journal of Human Pharmacology and Drug Therapy” Minoxidil can help thicken hair in some people with male pattern baldness, especially if used early and continuously.