Register to become a Gold Rewards member and receive FREE hair color products, limited-time offers and more from L’Oreal. Here is how to do it: Register by clicking on the image above Enter codes below When you reach 5 codes you will get a Free Box of hair color. Bonus: You could receive other FREE products just by entering codes!!! A few codes to start out with (not sure if they all still work or not) Feria #36 HE192 Feria #56 12G600 Feria #67 12G400 Superior Preference #4R Dark Auburn 12G401 Preference shade 5 12F900 Preference shade 5 HE288 Preference shade 5 12G502 Preference shade 5 12G606 Preference shade 5A…