The three-year agreement is the first of its kind for the club and Avon becomes the first independent shirt sponsor to grace the front of the Reds jersey.
Natasha Harding was the star of the show on the evening as she scored twice and had a hand in the other goals, which were netted by Caroline Weir and Laura Coombs.
See a gallery of Liverpool Ladies wearing their new Avon strip en route to victory below.
Photos by Andrew Powell