Aquage Sea Extend Strengthening Shampoo is excellent for chemically treated, fragile and brittle hair. It will leave your hair 3 times stronger. Aquage Sea Extend Strengthening Shampoo is an extra gentle sulfate free shampoo that delivers a luxurious lather when washing your hair. It's dual color protection restores hair to its ultimate condition and protects your hair against thermal styling damage, while an intensive blend of sea botanicals seals the cuticle and locks in color molecules to prevent color fade. DIRECTION: Apply to wet hair, move the hands throughout the entire head and gently massage the hair and scalp evenly Rinse thoroughly, repeat if desired and condition with Sea Extend Strengthening conditioner.