Coloring and lightening services are likely to alter the hair fiber. L'oreal Professionel Smartbond treatment performed in salon prevents damage caused by chemical services with to its bonding action between protein chain wihtin the hair fiber. Hair is thus stronger and has better elasticity.
Step 1 contains malic acid to improve hair's elasticity and strength. Step 2 revitalizes and provides shine with its formula featuring ceramides and polymers.