Color Lock Shampoo, Neutralizing shampoo with the lowest Ph. It closes the scales of the hair locking the color. It restores the Ph to the hair's natural levels while at the same time providing intense shine and gentle cleansing on the day of dyeing. Recommended for the day of dyeing, the next wash and after 15 days.
On the day of the dye = color lock
The next wash = non-aggressive cleaning
After 15 days = color extension