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.
45 citations
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March 1997 in “Journal of Investigative Dermatology” 99 citations
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May 1998 in “Journal of biological chemistry/The Journal of biological chemistry” Small proline-rich proteins and trichohyalin help make epithelial tissues tougher and more flexible.
21 citations
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January 1999 in “Endocrine”
February 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Merkel cells stabilize nerve endings in the skin, and they change independently of each other.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
10 citations
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August 2018 in “Experimental Dermatology” Decorin helps hair cells grow and move, and keeps hair growth phase going in mice.
233 citations
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October 2004 in “Differentiation” Stem cells are in deep skin layers, while differentiating cells are in shallow layers.
December 2025 in “American Journal of Dermatopathology” Keratin 19 may help diagnose and treat certain types of permanent hair loss.
41 citations
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June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.