3 citations,
September 2022 in “Veterinary Dermatology” Melatonin implants did not effectively prevent hair loss in dogs.
Alopecia in dogs requires identifying the cause for effective treatment.
Melatonin and photobiomodulation are effective for treating Alopecia X in German Spitz dogs.
2 citations,
July 2013 in “Veterinary dermatology” Dog skin with hair loss, when transplanted to mice, regrew hair, suggesting the hair loss cause is likely body-wide, not skin-specific.
1 citations,
January 2006 in “Elsevier eBooks” The conclusion is that different types of hair loss in dogs and cats can be cosmetic or serious, and affected animals should not be bred.