How effective is baking soda for acne?

Thinking about using backing soda for mild acne. I heard it was supposed to be good for getting rid of acne but has anyone tried it?
Yes I've tried it and Ithe works wonders!
Yes I've tried it but it does nothing...
No I haven't tried it but want to
No and don't think it would work
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How effective is baking soda for acne?
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