The Biolage Strength Recovery Shampoo 400ml and Conditioner 236ml Duo is expertly formulated for fragile, breakage-prone hair, helping to leave strands feeling soft, resilient and smooth. Set Contents: Biolage Strength Recovery Shampoo 400ml A gentle, protein-enriched cleanser that removes impurities, while supporting a stronger-looking, more supple feel with distilled olive squalane. Biolage Strength Recovery Conditioner 236ml A creamy conditioner that helps to smooth, soften and enhance shine, nourishing the hair with olive squalane and vegan proteins for a visibly more resilient finish.