Enjoy this special Perk for members announced on Golden Monday, the first Monday of the month. Simply enter a code from a L'Oréal Paris hair color product before the Perk is sold out and you will receive the offer — plus your usual Credit towards a FREE box. These are the codes that you can enter (2) each month: 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 12G800 Preference shade 6 12H104 Preference shade 6 12F509 Sublime Mousse (20V): 30H204 , 30GN04, 30H102, 30H300 Root Rescue: 12G403, 12G4UU, Superior Preference: 20V 12H401, 4A 12H401 Superior Preference: 4a 12H500 Feria: 25V 12G000