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January 1968 in “PubMed” Sulfur-containing radioprotectors can protect hair from X-ray damage if given before exposure but worsen damage if given after.
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February 1991 in “Journal of Biological Chemistry” March 1990 in “Journal of Dermatological Science” January 2011 in “대한피부과학회지” A 7-year-old girl was diagnosed with trichothiodystrophy due to low sulfur levels in her hair.
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January 1989 Two patients had a unique form of trichothiodystrophy with reduced high-sulfur proteins in their hair.
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March 2016 in “The Journal of Clinical Endocrinology & Metabolism” In STSD patients, the body compensates for low androgen levels by increasing another enzyme's activity.
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December 2004 in “Nature Genetics” The transporter protein SH1446 in Staphylococcus hominis is key to underarm odor production.
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March 2005 in “Endocrine Reviews” The enzyme steroid sulfatase is linked to breast cancer and other conditions, and inhibitors are being developed for treatment.
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March 2014 in “Experimental and Molecular Pathology” Sulfur mustard damages hair follicles and sebaceous glands in mice.
May 2010 in “Europe PMC (PubMed Central)” Near-infrared probes can safely and effectively image cysteine protease activity for disease diagnosis.
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November 1987 in “Clinica Chimica Acta” Human platelets change minoxidil to minoxidil sulfate, helping blood vessels widen.
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July 2015 in “Journal of Cellular Biochemistry” Cysteine helps maintain keratin production in skin cells even when iron is low.
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June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
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November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
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March 2018 in “American Journal of Clinical Dermatology” New acne treatments show promise as alternatives to traditional therapies.
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July 2016 in “Journal of cosmetic dermatology” Dermatologists should use hair relaxers carefully to avoid hair and scalp damage, following specific guidelines for application and maintenance.
September 2020 in “Benha Journal of Applied Sciences” Protein hair straighteners damage the hair more than hair dyes.
January 2019 in “Springer eBooks” Some chemicals and drugs can cause hair loss, which usually grows back after stopping the treatment.
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October 2006 in “Steroids” New sulfur-containing steroid analogs show promise for more targeted medical treatments.
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June 1947 in “Analytical Chemistry” Cold waving solutions quickly reduce cystine to cysteine in hair.