But i will say this, it may get worse before it gets better. because of all of the toxins being removed from your body, it comes out any way it can, and through the skin unfortunately is one of those ways.
After fasting, to keep Acne away, you need to change your diet to a healthier plant based diet, and stick with it. Processed foods, junk, fast food, soda and high fat meats etc all contribute to acne.