I've done liver flushes in the past and they seemed to work for me, but they can be very dangerous, too. So, even though I got away with doing them, I would no longer recommend anyone else to do one. But what will clean out your liver is aloe vera juice. I used to drink an aloe vera juice gel I bought at the mall. It gave me energy, healed my digestive system, took away my GERD (chronic acid reflux), and cleared my skin!
(Well, during the time I took it, it cleared my skin) It's great! PLUS! Aloe vera juice gel works WAY better than the aloe vera gel you buy for sun burns! During the time I was drinking it, I got a sun burn. That night I used the juice gel all over my body before I went to sleep, and in the morning the first thing I did was look in the mirror to see how bad my sun burn was. IT WAS COMPLETELY GONE! I mean, GONE! ....So anyways, I would definetly recommend aloe vera juice for your liver/acne/ cuts/burns, etc.
PS: I remember reading it's got a lot of vitamin C in it.