Acne may be due to summer weather, eating too oily food,hormonal etc
Please do the following
Keep your self well hydrated
Eat non oily healty food and seasonal fruit's
Use glycerin soap to wash face
Wash your face frequently and each time after coming home from outside.
Have a good sleep.
You can apply Oint.Erithromysin locally in night only after washing the area.
Next Steps
Please connect for further advise on practo