Treat damaged hair to the Matrix Total Results Re-Bond Pre-Conditioner, a deeply nourishing treatment that forms the middle step in the Re-Bond routine. This intensive weekly formula is powered by Maleic Acid, which helps to strengthen and rebuild the hair’s weakened bonds in order to protect against further damage and improve shine. When used alongside the Re-Bond shampoo and conditioner, you can expect sleeker, healthier and stronger strands. Suitable for damaged hair.