Concerto collagen-based shampoo is ideal for chemically treated hair, particularly prone to split ends or weakened by the use of irons and straighteners. Its formula contains a combination of active ingredients that allows the hair to be plumped up deeply. Additionally, Concerto collagen-based shampoo has a restorative effect for fragile hair that tends to break and fall out easily. Besides hydrating, nourishing, and softening the hair, collagen enriches the hair structure, strengthening the fiber and reducing hair loss. Directions for use: pour an appropriate amount of shampoo for the hair length into your hand and dilute with a little water. Distribute on damp hair, massage gently, then rinse thoroughly. Repeat if necessary. Warnings: avoid contact of the product with eyes. External use. Storage instructions: store in a cool, dry place. Brand: Concerto Effects: Plumping and Restorative Format: 1 l Hair Type: Treated hair