Thanks for writing in.
Acne is a hormonal
When untreated or improperly treated acne can cause pigmentation and ugly scars on face.
You should apply antibiotic like clindamycin
in morning for 2 hours.
should be applied at night time.
Washing your face with Himalaya neem face wash would be helpful.
Oral drugs should be taken along with creams.
Please visit a good dermatologist
or physician for proper examination and treatment with prescription drugs for acne.
Hope this helps.