Pro Longer line is suitable for long, thin hair. Formulated with amino acids and exclusive FILLER A-100 complex, the hair fiber is densified from root to tip. Hair is fortified, shiny and protected from future damage.
In a Pro Longer dose is an ultra-concentrated formula that penetrates the hair fiber to densify from the inside out and smoothes the surface of the cuticule. The hair is instantly thicker, stronger and shinier.