There is also the help of friends to achieve the best possible result! Install the SkinnyMax app for your phone and it will guide you through the SkinnyMax challenge of 20 days. It will remind you to take your daily formula (you choose the time to remind yourself), it will remind you to take the necessary amounts of water, you will always have a list of recommended foods and will give you answers to all important questions about the product, health, metabolism, etc.