Best sunscreen if you own acne and use Proactiv?

Our teenage girl have acne. She uses Proactiv and it helps. With summer coming - we've notice that putting sunscreen (just Coppertone brand or whatever) on her face make it break out. What's the best product for her to use - and why?Best sunscreen if you own acne and use Proactiv?
You'll want an oil-free non comedogenic sunscreen. It'll say on the bottle wether or not it is. The oil-free and non comedogenic mode that it won't block pores or cause acne.
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Neutrogena has a nice 70 SPF! I do this and wear a headdress. But if she's a teenager, she probably wont wear the head covering too ...LOL!
I'd give that a try. I used Proactive various years ago and got great nouns but skin does become very sensitive.
I get the best long-term acne free results after getting regular facials (every 3 months) but a knowledgeable esthestician. Well worth the $
moral luck. I know how painful juvenile acne can be