Detoxification --Ayurvedic concept

In todays world  everyone of us want to do detox once every 6 months of so. But in spite of our best efforts   we  still suffer from various Physical ailments or we still have same sort of thoughts of jealous , hatred, anger and other emotional problems. what is the reason behind it. This is where Ayurveda  shows us light that having symptomatic detox is of no use, or doing just physical detoxification is not of any good   unless one is following systematic detoxification as well mental cleansing. How mental cleansing can be done Ayurveda teach us.