My friend has realy bad skin (acne) how can i help her?

bless her.. for a long time now she has a had some bad acne (spots) on her bck and arms too and they kind of leave brown marks so she finds it hard to wear open tops! Wt advice cn i give her or wt cn i do ??|||look i used to have bad acne on my back too but i started usin some sugar with lemo iyt sounds cracy but it works put some sugar in a plate and them put a have of lemon juice the same plate that the sugar is abd then put it on the back or face anywere let it dry and then that is dry wash your face or boby with cold water it drys the acne and they dont come back.|||have her see a doctor because acne is different for everyone. the doctor should provide some medication that helps really well. i have this medication named Benzoyl Peroxide 5% Gel. If you get that, acne will clear up in a day, but don%26#039;t put too much or you%26#039;ll get red splots on your face.