The science of weak, limp, damaged hair daily wear and tear can break up the hair's surface and weaken the fibre. Hair becomes weak, looking limp and lifeless, dull and straw-like. The secret to hair 5 problems: strength, density, vitality, shine, silkiness. 1 solution 1 Reinforcing Enriched with Pro-Keratin, the conditioning formula reinforces each hair fibre to give it strength to resist daily wear and tear. 2 Re-surfacing Enriched with ceramide, a replica of hair's natural cement, the formula restores smoothness to the hair fibre, leaving it soft to the touch with a healthy looking shine.