Bioré Baking Soda Acne Cleansing Foam The baking soda in this Bioré Baking Soda Acne Cleansing Foam ($7) helps bacteria bubble up and out of your skin so that the salicylic acid can slide in and dissolve anything left deep down. Bioré Baking Soda Acne Cleansing Foam $7 from target.com Buy Now