March 1995 in “Proceedings of the British Society of Animal Science” Dogs absorb zinc better from amino acid-chelated sources than inorganic ones.
March 1995 in “Proceedings of the British Society of Animal Science” Zinc is absorbed better in dogs when supplied as a chelate with amino acids.
Transglutaminases help form strong hair by linking proteins, and can potentially alter hair properties.
Rapid weight loss can cause temporary hair loss, but hair usually grows back.
August 2022 in “International Journal of Health Sciences (IJHS)” The combined treatment significantly improved hair growth and thickness compared to the control group.
53 citations
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August 2014 in “Cochrane library” Methotrexate is not proven effective for inducing remission in ulcerative colitis.
51 citations
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August 2015 in “Cochrane library” Methotrexate is not proven to maintain remission in ulcerative colitis.
7 citations
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January 1982 in “Acta agriculturae Scandinavica” Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.
4 citations
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September 2020 in “Journal of Mind and Medical Sciences” The new sunscreen cream is effective, safe, and has good skin qualities.
November 2025 in “Advanced Science” A new nanozyme using EGCG and L-arginine boosts hair growth by safely increasing beneficial oxidative stress.
December 2011 in “Thorax” People from iodine-deficient areas are more likely to develop hypothyroidism when treated for multi-drug resistant tuberculosis.
175 citations
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January 1995 in “Birkhäuser Basel eBooks” Human hair growth and structure are influenced by keratin proteins, genes, melanin, and lipids.
71 citations
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January 2014 in “Journal of Proteome Research” Women with PCOS have different levels of certain fats and proteins in their blood, which could help diagnose the condition.
66 citations
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December 1999 in “Journal of Investigative Dermatology” New mutations in the hairless gene may cause hair loss and affect bone development.
47 citations
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November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma, not a metabolic defect.
44 citations
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September 2020 in “International Journal of Molecular Sciences” New treatments are needed for PCOS that target its genetic, hormonal, and metabolic causes.
31 citations
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October 1992 in “Journal of Clinical Pharmacy and Therapeutics” Some medications can change hair color, especially chloroquine and cancer treatments.
29 citations
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August 1985 in “Contact Dermatitis” Minoxidil can cause allergic reactions like burning, itching, and red bumps.
24 citations
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January 2001 in “International Journal of Cancer” Permanent hair dye use may increase bladder cancer risk, especially in female smokers with certain genetic traits.
16 citations
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October 2009 in “Xenobiotica” The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
15 citations
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January 2017 in “Pigment International” Early hair graying is often inherited and influenced by genetics, environment, and lifestyle, but treatment options are limited.
15 citations
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January 2016 in “Przeglad Menopauzalny” Eating a balanced diet with specific nutrients is important for menopausal women to manage hair loss.
12 citations
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June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
11 citations
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April 2013 in “SpringerPlus” Human skin's melanocytes respond to light by changing shape, producing pigments and hormones, which may affect sleep patterns.
9 citations
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November 2022 in “Applied sciences” Marine algae compounds may improve skin health and promote hair growth.
8 citations
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November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
7 citations
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July 2020 in “Dermatologic therapy” Premature graying of hair is linked to various health issues and can sometimes be reversed by treating underlying conditions.
5 citations
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December 1942 in “Journal of the American Medical Association” Choline and biotin are important for liver health and preventing certain deficiencies in animals, and more research is needed to understand their benefits in humans.
2 citations
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June 2018 in “Cosmetics” AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
2 citations
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January 2007 in “Actas Dermo-Sifiliográficas” Two cases of hairy elbows syndrome were described, with normal skin texture and symmetrical hair growth.