"Hygienic reasons" refers to the purpose or justification for doing something to maintain cleanliness, health, or sanitation.
Sentences with «hygienic reasons»
Each bag can be used up to 20 times For hygienic reasons, this item can not be returned once opened. (toysrus.ca)
«They use ochre for aesthetic as well as hygienic reasons,» says Rosso, who spent a few days among the Hamar. (discovermagazine.com)
A: A short while back I answered a question from someone who had trouble keeping their hamster clean and fresh - smelling for purely hygienic reasons. (smallanimalchanel.com)