Acne is acne, an inflammation of the sebaceous glands, so the treatment should make the closed pores open, be anti-inflammatory and sterilizing, and rely on the function of the sebaceous glands. You can apply topical vitamin A acid ointment once a night, take oral or topical antibiotics, pay attention to avoiding light during the day, and use topical skin cream to keep the skin moisturized. Also pay attention to rest. Remove bad habits, such as not smoking, not drinking, not staying up late, etc. For serious acne you can do photon or photodynamic. Most of the acne can be cured. It is not the same as not having acne as an adult or after marriage. For scarring from acne you can pulsed CO2 laser grinding or fractional laser repair.