1.Regular gentle cleansing with mild soap and water

2.use water based cosmetics for regular use.

3.avoid fried and oily foods,avoid junk food and chocolates

4.avoid stress,as stress may induce acne

5.avoid foods with high glycemic index

6.always use sunscreen 

7.avoid facial massage

Treatment of acne- 

Topical therapy - it is mainstay of therapy of mild acne 

A-Adapalene

B.retinoic acid

C-clindamycin

D- benzoyl peroxide 

E- azelic acid 

SYSTEMIC TREATMENT- Used for moderate n severe acne .

A- doxycycline 

B- minocycline