Suggest Treatment For Acne And Hair Fall

Hi. My age is 38 and I am single my complexion is medium ,Lots of black spot in my face for ACNE. Dermatologist give me 1 )Suncros Aquagel SPF26 ( Non-greasy Water Resistant Sunscreen ) Use-- 8 AM ,1 PM and 3 Pm 2 ) Aquasoft Moisturising Lotion. Use- 4 times daly. My Process of use :- I wash my face with DOVE soap then i apply Moisturising Lotion , then after 3 minute I apply Sunscreen. Three times ,at 8 AM , 1 PM and 3 PM. Then at Night i use only Moisturising Lotion and wash this next morning. my question is 1. Is My above mentioned Process of use is right ?? If not then please tell me right process.2. From last 6 month My Hair is falling LOTS please give me best suggestion with medicine. Thanks, Noor