Breast milk for acne

Hi ladies. My 3 week old has been slowly breaking out for the past week. The last two days her acne got really severe. Red enflamed bumps cover pretty much her entire face 😭. I’ve been told that putting breast milk on her face will help clear the acne right up. Just wondering if anyone here has experience with this. If so, how long did it take for your little ones face to clear up? How severe was the acne? I just want her beautiful clear face back 🥺🥺