Register and fill in a few questions and you will be eligible for a FREE box of L’Oreal hair color after you buy 5 packages. You will simply enter the code on the package and when you have entered 5 codes you will get a FREE coupon in the mail. It is very simple and you don’t have to mail in anything. If you use L’Oreal hair color products it  is a must to register to get FREE hair color!