Answer: To start off with, it is very important to understand that changing one’s behavior can help improve acne symptoms. This includes a healthy diet, regular exercise and sufficient sleep. Acne can be caused from germs on pillows. Simply sleeping on the side and keeping pillows clean has actually eliminated acne for some sufferers. However, ideally you might want to combine a change of diet with other home remedies for acne so here is a remedy for you. Make a concoction of 3 to 4 drops of lemon juice, 1 tbsp of sour cream, 1 tbsp of yogurt and 1 tbsp of ground oatmeal. Leave the paste on the affected area for 10 to 15 minutes and wash off.