Make a 'runny' paste out of the baking soda and water. Not totally watered down, but not too thick either. Enough that it stays put on baby's face. I just dab it all over his sweet little face while I'm bathing him, let it sit for 30 seconds - 1 minute, then wipe it off, making VERY sure not to get it in his eyes. Then I follow up with the Aquaphor. This is what my Pediatrician suggested I use for the acne, so that's why I chose it. I've read that Eucerin works well too. I bathe him in the morning, and by the next morning the affected areas are mostly clear. He's still getting new spots, so I'm still using it, but it's almost gone, and it's only lasted a few days. HOORAY!!
So there you have it. Greatly reduce the length of time baby acne affects YOUR precious little one, and get those kissable cheeks back in no time!