It’s pretty easy to cleanse the tattoo needles if you have the proper equipment around. Beware that disposable tattoo needles are not meant to be reused, and you should dispense them. However, some professional reusable tattoo needles can be sanitized. But how to clean tattoo needles easily; use an ultrasonic cleaner to disinfect the equipment from blood and possible infections. Afterward, rinse it with clean water and dry it with a paper towel. Finally, use the medical-grade sterile autoclave to do the final cleansing.