5 citations
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January 1992 Silicones in shampoos make hair smoother, easier to manage, and reduce friction.
November 2024 in “International Journal of Cosmetic Science” Haircare products with a pH between 5 and 7 are best for maintaining healthy hair.
217 citations
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February 2009 in “The FASEB Journal” Gray hair is caused by hydrogen peroxide buildup, which damages hair color repair.
5 citations
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October 2007 in “PubMed” Amino acids in conditioners improve hair strength, hydration, and color retention.
37 citations
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September 2003 in “Journal of Medicinal Chemistry” A substance called Compound 2g can strongly block STS (a hormone-related enzyme) without affecting estrogen levels, making it potentially good for treating breast cancer.
15 citations
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December 2020 in “The Journal of General Physiology” Acid can block TRPV3 from outside the cell but boost its function from inside.
10 citations
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November 2018 in “Genetics in medicine” Lack of cystatin M/E causes thin hair and dry skin.
April 2018 in “Journal of Investigative Dermatology” Stabilizing HIF1A in hair follicles increases glycolysis, which may help reduce oxidative stress and support hair growth.
December 2012 in “SWU eJournals System (Srinakharinwirot University)” Chemical hair removal can cause skin irritation and other issues, but natural alternatives are being explored.
November 2025 in “Journal of Investigative Dermatology” Alopecia Areata may involve reduced antioxidant defenses in hair follicles, affecting stem cell function.
33 citations
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October 2005 in “Journal of Investigative Dermatology” A specific gene mutation causes sparse, brittle hair in a family.
42 citations
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February 1996 in “Journal of Investigative Dermatology” Polyamines, especially spermidine, are essential for hair growth.
April 2025 in “International Journal of Cosmetic Science” A new hair perming method avoids damage and lasts longer than traditional methods.
29 citations
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October 2004 in “Differentiation” Multiple mouse desmoglein 1 isoforms have distinct roles in skin and hair development.
226 citations
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January 2002 in “Biological and Pharmaceutical Bulletin” A new method quickly extracts and identifies proteins from hair and other keratin sources.
12 citations
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November 2004 in “Photochemistry and Photobiology” Superoxide dismutase (SOD) can prevent hair graying in mice.
7 citations
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March 2004 in “Journal of the American Academy of Dermatology” Tiger tail banding and hair abnormalities are reliable indicators for diagnosing trichothiodystrophy.
34 citations
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September 2007 in “Experimental Dermatology” The outer layer of Merino wool is rich in sulfur proteins, making it resistant to damage.
1 citations
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January 2019 in “Turk Dermatoloji Dergisi” Oxidative stress is likely important in causing telogen effluvium, and antioxidants might help treat it.
41 citations
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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.
74 citations
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July 1995 in “PubMed” Lowering homocyst(e)ine levels can reverse skin and hair lightening by restoring enzyme activity needed for pigmentation.
April 2018 in “Journal of Investigative Dermatology” Desmoglein 3 organization in cell connections changes without calcium, affecting cell adhesion.
6 citations
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November 1977 in “International Journal of Legal Medicine” Human hair contains a substance that shows blood group A activity.
5 citations
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September 2018 in “Bioscience, Biotechnology, and Biochemistry” Thiosulfate may help hair grow faster in mice and works well with a common hair growth treatment.
April 2024 in “JMR. Journal of molecular recognition/Journal of molecular recognition” Hydrophilic carbon dots cause one protein to clump more and prevent another from clumping.
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The structure of SRD5A reveals how it reduces steroids, aiding drug design for related health conditions.
November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
28 citations
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July 2008 in “Developmental Biology” Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.
Chemical treatments weaken hair's thermal stability and structure.
January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” Applying L-methionine and L-serine to the skin promotes the most hair growth.