There are many factors that contribute to the formation of acne. Some acne does heal on its own, but some acne will continue to worsen if left untreated. Acne caused by poor rest or lack of sleep can heal on its own if you adjust your routine and get enough sleep. If the acne is caused by hormonal secretion or inflammatory changes within the cells, if no treatment is given, the symptoms will continue to worsen and the acne may turn into acne, which will then be less effective and take longer to treat. Regardless of which factor forms acne, you need to pay attention to your diet and not eat too much spicy and stimulating food, which can play an auxiliary role in improving it.