91 citations
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July 2004 in “Journal of Biological Chemistry” Overexpressing SSAT enzyme reduces prostate tumor growth in mice.
9 citations
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January 2011 in “Journal of X-ray science and technology” Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
June 2023 in “Antioxidants” Lipids from Schizochytrium sp. help prevent hair loss by protecting hair cells from damage and promoting hair growth.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” SELP::KP improves hair strength, elasticity, and health, making it a promising hair cosmetic.
1 citations
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July 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” Cysteine strengthens hair, and glutamine fuels hair growth.
22 citations
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November 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Cystatin M/E helps in the final stages of hair and nail formation by controlling certain enzymes.
1 citations
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February 2021 in “Animal feed science and technology” Organic selenium may offer better retention and less waste in puppies.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Not having enough cystatin M/E protein causes less hair growth and dry skin.
21 citations
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June 1991 in “Journal of Inherited Metabolic Disease” Selenium deficiency caused symptoms in a child, which improved with selenium supplements.
108 citations
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April 2004 in “Medicinal Research Reviews” Steroid sulfatase inhibitors could help treat hormone-related disorders and cancers.
March 2021 in “Juniper Online Journal Material Science” Energy healing treatment improved L-cysteine's stability, solubility, bioavailability, and shelf-life.
26 citations
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December 1990 in “Journal of Biological Chemistry” Two specific genes are more active during hair growth in mice.
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146 citations
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May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
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February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
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June 2010 in “Biological Chemistry” Cathepsin L deficiency causes large, abnormal cell structures and health issues in mice.
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August 2025 in “Plants” Selenium from plants is beneficial and safer for health.
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May 2023 in “Cancer Nanotechnology” The new drug delivery system effectively targets lung cancer cells.
January 2017 in “Springer eBooks”
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July 2020 in “Synthetic and Systems Biotechnology” Scientists improved an enzyme to better produce a hair growth-promoting chemical from an immunosuppressant.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Transglutaminase 2 may control sebocyte maturation and lipid metabolism.
241 citations
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January 2001 in “Reviews on Environmental Health” High selenium exposure can harm thyroid function, immune system, liver, skin, and may increase neurotoxicity and cancer risk.
126 citations
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November 1987 in “The Journal of Pediatrics” Selenium deficiency can cause skin and hair color loss, muscle weakness, and blood cell changes, but these improve with selenium supplements.
Some bacteria use arsenic compounds as antibiotics, and others have evolved resistance; a particular arsenic-based compound shows potential as a new antimalarial treatment.
23 citations
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August 1989 in “American Journal of Veterinary Research” High selenium diets in pigs cause health issues like weight loss, hair loss, and nerve damage.
September 2023 in “Food and chemical toxicology” High doses of some selenium supplements caused liver and reproductive harm in rats.
July 2025 in “Journal of Investigative Dermatology” 62 citations
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December 2007 in “Journal of biological chemistry/The Journal of biological chemistry” A specific chemical change in the S100A3 protein leads to the formation of a four-part structure important for hair formation.
11 citations
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January 1997 in “Journal of Dermatological Science” A new protein linked to hair strength was identified, aiding in understanding brittle hair conditions.
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March 2023 in “European Journal of Dermatology” Using Selenium Disulfide shampoo weekly helps prevent scalp dermatitis flare-ups.