A mum who made a DIY facemask made out of breast milk to help her tot with acne took to TikTok to share how she did it – and it quickly racked up more than 4.2 million viewsA mum who made a DIY facemask made out of breast milk to help her tot with acne took to TikTok to share how she did it – and it quickly racked up more than 4.2 million views