Revitalize your over-styled, chemically treated hair with Sebastian Professional Penetraitt Strengthening and Repair Shampoo. This powerful formula features an active rescue system that penetrates deep into the hair shaft, repairing damage and restoring your hair's natural health. Enjoy a super-strong, silky-soft finish while protecting your hair from the stress of past chemical treatments and heat damage. Perfect for color-treated hair, this deep conditioning shampoo is essential for maintaining vibrant locks. To use, simply massage into wet hair to create a rich lather, rinse thoroughly, and repeat if desired. Please note: This supersize product does not include a pump.