Restore the health of your hair with the vichy dercos nourishing restorative shampoo a collagen infused hair cleanser that provides long lasting anti dryness the creamy lather dramatically increases shine softness and strength with a repairing keratino complex coating and smoothing the cuticle to nourish and revitalise the hair fibre it reaches into the layers of the hair fibre to replenish it with the key substance that is depleted in dry hair keratin ceramide works in between the scale