There is disclosed a method for custom hair coloring formula supplemental identification. The method includes accepting a user login associated with previously entered user characteristics. Accepting user input of new user characteristics including natural hair color, current hair coloring, hair treatments, hair coloring characteristics and hair treatment characteristics. The method further includes identifying available hair coloring, accepting user input of desired hair coloring and identifying a hair colorant suitable to create the desired hair coloring in view of the user characteristics. An order is then generated for the hair colorant.