4 citations
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September 2003 in “Livestock Production Science” Epidermal growth factor reduces hair growth, but cortisol does not.
February 2023 in “European biophysics journal”
90 citations
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January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
7 citations
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January 1997 in “International Biodeterioration & Biodegradation” Microsporum canis breaks down animal hair fastest in sheep and foxes, slowest in humans.