Hello and welcome to healthcaremagicAcne
is due to over-activity of sebaceous glands. Since the sebaceous glands are already working overtime in those who have acne, therefore it is important to keep your skin free of oil as much as possible, without over drying it. I would suggest a gentle cleanser e.g cetaphil
cleansing lotion, twice daily for face wash
I would suggest you to use a topical antibacterial e,g clindamycin
phosphate gel for active acne.
A course of an oral antibacterial e.g doxycycline 100 mg, twice daily would help in bringing about faster control of acne activity.
For post acne marks and pigmentation you could use kojivit gel during day time and Azaleic acid gel (Aziderm) for night time use.
Always use a broad spectrum sunscreen gel, 1/2 hour before stepping out in the sun.
An Oral Vit C supplement would also help with pigmentation.