In a collaborative study with small-
In 60% of the cases all symptoms were reported to be cured after the biotin treatment and in a further 31% an improvement was noted; in only 9% no effect was recorded. All breeds responded but to a variable extent: e.g. in Poodles the response was lower (no response in 6 out of 11 cases) than in Alsatians where all improved and 14 out of 29 were completely cured.
The results confirm the favourable effect of biotin for treatment of fur and skin conditions in dogs
Schweiz Arch Tierheilkd. 1989;131(10):621-
Clinical study on the effect of biotin on skin conditions in dogs.
Frigg M, Schulze J, Völker L.