I now have post inflammatory hyperpigmentation all over my face because of my healed pimples. However there are parts where i still have acne, should i stop putting BP on my post inflammatory hyperpigmentation.
I continue putting it on just as a preventative measure. Topical treatments don't treat the cause of acne most of the time, unless of course your acne was mostly caused by picking or just one or two whiteheads.
This is a hard question to answer. Unless you cured the root cause of your acne (internally), than if you stop the external treatment, the acne will almost most certainly come back.
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