- The Structure Repair shampoo is for damaged, dry and chemically treated hair that moisturises and strengthens the hair structure. Repairing algae extract helps hair regain its natural strength, softness and shine. Colour Guard Complex protects and maintains the colour in colour treated hair. Structure Repair uses strengthening ingredients from the sea in the form of algae that soften and repair damaged and tired hair. The Structure Repair-series has a fresh scent of vanilla, rose and jasmine. In comparison to our True Soft range, the Structure Repair series is tailored for damaged and chemically treated hair, while True Soft is suitable for naturally dry hair.