Collocations for hygiene - noun

good
poor
infections that are the result of poor food hygiene

dental, food (BrE), oral, personal, public
Many skin diseases can be prevented by good personal hygiene.

hand
Good hand hygiene by hospital staff is vital in preventing infection.

regulations, standards (both esp. BrE)
The restaurant was in breach of food hygiene regulations. (BrE)

habits (esp. AmE), practices
children with poor hygiene habits

item (AmE), product
feminine/personal hygiene products

standards of hygiene