30 years old acne is very normal, acne is commonly known as acne, clinically very common after entering puberty acne, acne, clinically this disease a lot, some heavier, some lighter, clinically commonly used is anti-inflammatory, inflammatory patients anti-inflammatory with Listerine, spot coating film, daytime with Listerine, evening with Adapalene gel spot coating, the effect is better. Eat less sweets, less spicy and irritating food. Keep your skin clean, wash your face with warm water, just 2-3 times a day. Eat a light diet and be sure to have a low sugar diet.