What can I do for my acne n its redness? ?

Sunscreen . Daily sunscreen at least SPF 15 and a good moisturizer twice a day will help. If you're new to any medicine for your acne, you may want to start off slow. Eg once a day first before twice a day. Some may cause sensitivity. .
Acne. Wash your face with antibacterial soap, cool water, dont touch them with your hands, don't squezze them and eat healthy. If they get out a hand consult your doctor for possible antibiotics.
Acne. Use a salicylic acid preparation on your face. It can take care of your pimples as well as redness .