September 2010 in “International Journal of Cosmetic Science” Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
January 2016 in “Zurich Open Repository and Archive (University of Zurich)” Dietary L-serine supplementation can reduce symptoms of HSAN1 by lowering harmful 1-deoxySL levels.
4 citations
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January 1994 in “Yakugaku zasshi” EPC-K is stable except at very acidic pH or when exposed to sunlight, and it can decompose in low ethanol concentrations.
December 2015 in “PLOS ONE”
January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
December 2025 in “Rapid Communications in Mass Spectrometry” Pepsin digestion improves accuracy in analyzing proteins in human hair.
January 2009 in “ScholarlyCommons (University of Pennsylvania)” The P133R mutation in AKR1D1 enzyme causes harmful bile acid buildup, explaining related health issues.
April 2023 in “Journal of Investigative Dermatology” Using DNase enzymes to break down harmful NETs could be a new treatment for Stevens-Johnson syndrome and toxic epidermal necrolysis.
25 citations
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May 2019 in “Cosmetics” 18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.
1 citations
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December 2015 in “Parkinsonism & Related Disorders” The anti-hangover product may boost enzyme activity to help prevent brain damage.
1 citations
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January 2009 in “Journal of S C C J” Changing disulfide bonds in human hair affects its melting behavior and thermal stability.
45 citations
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September 1998 in “Journal of Investigative Dermatology” The enzyme 17β-HSD type 2 mainly performs oxidation in human sebaceous glands, which may help protect against acne.
1 citations
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September 1986 in “Journal of the Forensic Science Society” Hair root sheaths can be used to accurately analyze genetic markers.
18 citations
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January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
71 citations
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June 2005 in “Journal of Investigative Dermatology” PAD enzymes play a key role in hair growth and structure.
20 citations
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December 2012 in “Journal of molecular structure” The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
17 citations
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December 2004 in “Bioorganic & Medicinal Chemistry Letters” Scientists found new, better-working inhibitors for a hormone-related enzyme.
54 citations
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January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
53 citations
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June 1983 in “Journal of Investigative Dermatology” The enzyme is crucial for skin cell development and can be activated without proteolytic activation.
135 citations
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October 1997 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin is modified by enzymes to form strong structures in hair cells.
11 citations
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January 1956 in “Journal of Investigative Dermatology” 31 citations
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December 2016 in “Anais Brasileiros de Dermatologia” DHEA reduction may be linked to frontal fibrosing alopecia, but more research is needed.
19 citations
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March 1961 in “Nature” A fatty acid/protein complex in human hair helps protect it from damage.
October 2025 in “Coloration Technology” Delipidised wool is brighter, dyes better, and is more eco-friendly.
61 citations
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January 2013 in “International Journal of Biological Macromolecules” Combining DHT and EDC improves the strength and stability of PADM scaffolds for tissue engineering.
74 citations
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November 2000 in “Archives of Dermatology” Salicylic acid can safely exfoliate and regenerate skin without causing inflammation.
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October 2024 in “Heliyon” CYP154C7 enzyme can effectively modify steroids and is promising for commercial use.
16 citations
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November 2008 in “Journal of the American Academy of Dermatology” Consider necrolytic acral erythema in similar cases and treat with oral zinc sulfate.
December 2025 in “Biomolecules” Targeting protein S-palmitoylation could lead to new skin disease treatments.