57 citations
,
March 2011 in “The American Journal of Dermatopathology” Chemotherapy can cause permanent, non-reversible hair loss similar to pattern baldness.
20 citations
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February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
10 citations
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January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.
Kerascalp hair serum was found to be safe and effective in improving hair growth and strength in people with mild to moderate hair loss.
Cinchona succirubra extract with caffeine reduces hair loss and strengthens hair.