FIBREPLEX N°3 Bond Maintainer What it is: A treatment for home maintenance. Benefits: Helps to maintain the improved hair quality, creates new bonds and balances pH level. Protects against new mechanical damage, while locking in color pigments. How to use: For optimal maintenance, use FIBREPLEX N°3 Bond Maintainer twice a week at home. Shampoo the hair, apply from roots to ends, leave for 5 minutes, rinse thoroughly and style as usual.