How to Do a 1-Day Cleanse in Five Simple Steps - You don’t need an expensive product or even a complicated process to complete a simple cleanse. Whether you just got done with a crazy weekend, are feeling bloated, or had a little too much of that pizza the other night, there are tons of reasons why you might want to do a simple detox for a day. It’s a great way to flush out some toxins and give the body a nice reboot.