Step 2: Punch the acne and squeeze out the dirty things in the acne.
Step 3: Apply a thin layer of iodophor to the acne. Three times a day.
Step 4: Same as step 1, except that warm water is replaced with 50 ml of fresh potato juice.
Stick to it for 3 days and the acne will disappear completely.
I'm from a beauty salon. Take it away. You're welcome.