Have u ever had a detox holiday? Did u have colon cleansing? Can it be harmful for health? I have never done a detox holiday. I have done a colon cleansing. Every person would greatly benefit from doing a colon cleansing. A colon cleansing is not harmful to your health. However, you might experience a headache, nausea , vomiting , feeing rundown. These are normal detoxification reactions and it may seem like you feel extremely bad. You will greatly benefit from this because you are riding