How Do I Remove Milk Stains From A Luxury Bag?

i have several milk stains on my gucci, louis vuitton bags, now i have tried using mild soap and luke warm water and and it still wont come out.
Ihave called the gucci and LV retailers and they told me to bring it in, but i would like to try a home method remedy first prior to going inside the actual retialer.
please HELPPP!!!!!!!How Do I Remove Milk Stains From A Luxury Bag?