Fragile hair may be prone to breakage and unmanageability. Biolage FiberStrong Shampoo was formulated to target these needs with the power of Intra-Cylane plus bamboo and ceramide for repairing damaged, fragile hair. When used with the FiberStrong Conditioner and Intra-Cylane Fortifying Cream, your hair is stronger and more conditioned. Strengthen weak, fragile hair. 12X stronger after one application*.When using the system of FiberStrong Shampoo, Conditioner, and Intra-CylaneTM Fortifying Cream vs. a non-conditioning shampoo.- Paraben-free shampoo cleanses hair, leaving it healthy looking and resistant to damage.- Fragile areas of the hair are fortified with Intra-Cylane and Ceramides.- Elasticity is maintained and shines restored.How to Use:Massage into wet hair in a massaging motion and leave on for 1-3 minutes. Rinse hair and pair with a Biolage Conditioner. For better results, we recommend pairing the FiberStrong Shampoo with the FiberStrong Conditioner and Intra-Cylane Fortifying Cream.