- milk.. So milk is the cause of a lot of people's acne I suggest going to a doctor and seeing if you might be allergic to milk but you could also try just going off milk for a little bit and seeing what happens to your skin- I just recently went to a doctor about being allergic to milk and found that I am allergic so I stopped completely with anything that has any type of milk and lemme just tell you my skin is doing great (it does take a while for it to get out of your body and stuff but it could really help) 

- treatments: so I went to Sephora a couple weeks ago and they let me try these things...

That's what they are and if your looking for something to just clear your whiteheads and pores it does wonders but I suggest going from the inside out (meaning>eating really healthy and drinking lots of water. Along with a good treatment)

Another really great treatment if your okay with spending a bit of money is a treatment from the brand Rodan and fields (I believe that is the name) they have a couple different treatments but for acne specifically they have a treatment called unblemish which is so amazing!!!!!!!

-water: so obviously water helps a lot but it does more than help I started drinking lots (try to drink about 8 large glasses a day) and you see results in clearer skin it really flushes everything out !!

-lemon water in the morning : you just take a half of lemon and squeeze it into water and it also helps flush out the body it's a good way to start the morning 

-coconut oil : I use coconut oil but only unrefined from trader joes because it seems better to me and works better and I use it once a day at night or if my skin is dry I will use a bit in the day it just depends on your skin and stuff !

All these things have helped me and I hope they can help you too !