Is it okay to complete a colon cleanse and do a liver cleanses one week after completing the colon cleanse, through oral supplemental pills?

Both colon cleanses and liver cleanses depend on more than normal intake of water to actually "cleanse" the organ. It can also cause electrolyte imbalances. Doing them back to back could cause dehydration, electrolyte problems and subsequent damage. I would wait at least a week before doing the second one, and drink a minimum of 3 liters of water daily while doing the cleanse plus electrolytes.