I don't know exactly where you grew up, so go and see for yourself. I wish you a speedy recovery. Causes of chin acne acne: It indicates impaired renal function or endocrine system disorder. Girls are prone to acne around their chins, which may be caused by bad months. Improvement methods: eat less cold things and use anti-inflammatory and calming skin care products during menstruation. Causes of acne on the side face and mandible: If the skin at the junction of neck and face has acne, it is usually poor lymphatic detoxification. Improvement method: when scraping skin care products, you may wish to scrape your fingers for a few minutes to detoxify lymph. In addition, scraping can help the body detoxify. Causes of acne around lips: constipation leads to the accumulation of toxins in the body, or the use of toothpaste with excessive fluorine content is the main reason for acne around lips. Improvement methods: eat more high-fiber vegetables and fruits, adjust eating habits, brush your teeth and rinse your mouth thoroughly.