The main component of physiological saline is sodium chloride, which is mainly used for face treatment after the inflammatory reaction of the face. The purpose of face treatment is not to treat acne, but to remove the obvious inflammation of the face, especially due to the exudative reaction of the face allergy, using physiological saline isotonic solution on the face, which is conducive to the absorption of inflammation. If you want to get rid of acne, the main treatment is to use anti-inflammatory drugs and anti-keratinizing drugs, you can apply topical fusidic acid cream for anti-inflammatory, or topical salicylic acid ointment and adapalene gel for acne treatment.