First of all, if you have a major skin problem check with your doctor, these tips are in general that might help you get a perfect skin
1. Work out
Let the stress go out and your body will be able to breath
2. Wash your face Twice a day
Nuxe products are really good
3. Use a Toner
Toner will help clearing your skin, u can apply normal Rose water it can work really good on your face and body
4. Sun Cream
Apply light one so it wont be heavy on your face, use it daily even in winter! sebamed suncream is good
5. Eat well
Say NO to fried food , have a meal that contain fruits , eat alot of carrots its good for your skin
6. Drink water
drink as much as you can
7. Go easy on MAKEUP
Source: www.totalbeauty.com
blushinpeach 
Great advice.. And going easy on the make up and working out are in my point of view, very important