"Sugar cotton wools" is an uncommon term that may refer to a few different things, such as cotton candy or a type of medical cotton used to apply sugar-based substances to wounds. Synonyms for cotton candy include fairy floss, candy floss, or simply spun sugar. Regarding medical cotton, synonyms for this type of product would likely depend on the specific substance being applied; for example, a cotton ball soaked in honey could be called a honey swab, while a cotton ball soaked in a sugar and water solution could be called a sugar pad. In general, it's best to use clear and descriptive language when referring to specialized products or substances.