[header] How to clean a long haired hamster [title] Gather your supplies. [step] Long-haired hamsters may need more cleaning than short-haired hamsters. If you notice your hamster seems dirty, a dry bath or sand bath is your best option. 
In the wild, hamster clean themselves using abrasive dirt or sand as water drains their fur of necessary oils. Always go for a sand bath over a water bath.