Damaged hair can lack the natural cement which keeps the hair strong and resilient. To ensure cohesion and strength, the L'Oreal laboratories have created ceramide-cement technology, the hair's natural cement, targetting the 5 problems. Combines argan oil and silk protein, which is naturally rich in essential fatty nutrients. Gives 48 hour protection: the creme formula nourishes and smoothes your hair from root to tip making it look more smooth and manageable. Shields hair from the effect of humid or dry weather.