Redken's Extreme Length range strengthens lengths and prevents 81% of damage. Restorative formulas are suitable for long hair prone damages caused by heat, coloring and lightening. The shampoo gently cleanses while strenghtening the hair with the formula featuring biotin.

FEATURES:
Fortifying shampoo
Gently cleanses
Formulated with biotin
Prevents damage
Encourages length retention

HOW TO USE:
Use on damp hair
Gently massage scalp with shampoo
Rinse and repeat shampoo process
Follow with Extreme Length Conditioner