This gentle, luxurious shampoo is ideal for chemically treated, fragile or brittle hair. 1L (33.8 oz). Made in USA. Aquage SeaExtend Ultimate ColorCare Strengthening Shampoo redefined colour care with the gentlest, most luxurious lather. Shampoo dramatically extends the life and vibrancy of hair colour. It restores hair to its ultimate condition and protects hair against thermal styling damage. Excellent for chemically treated, fragile, brittle hair.