How can I talk to my girlfriend about proactiv/something like it?

My girlfriend is great. she's funny, faithful, smart, and has a kicking bod as far as I'm concerned. But dag gum does she have some facial acne. she's not big into makeup (I support that about her), but sheesh, its tough because its so noticeable, and without it she would be so perfect. I mean, I'm not going to leave her, but I feel like she should consider being the best version of herself! I want other people to see her and be as impressed with her at first site as I am since I've gotten to know her. I don't want to be shallow, but I know this is sort of a shallow thing. I dunno. Is there a way I could bring this up?
How can I talk to my girlfriend about proactiv/something like it?
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