The acidic property of lemons can be very useful in treating acne. lemon will clean out dirt that has accumulated in the pores and will harden the sebum. you can use it on your skin daily but if it is too drying then use it every two or three days.
Step 1- Rub a slice of lemon on the affected area.
Step 2- Leave it for a few hours before rinsing your face with water.
Alternatively: Mix lemon juice with rose water in an equal amount and use the solution to wash the affected area thoroughly.