The PR6 pigment has a unique multidimensional structure that is twice as big as traditional pigments which means that they are locked inside the hair better.
· NEW PATENTED TECHNOLOGY
· PURE COOL REDS
· POWERFUL, FULL-SATURATED COLOUR
· AMMONIA-FREE AND ODOURLESS
· UNIQUE BLEND OF COLOUR
· STAYS TRUER-TO-TONE FOR UP TO 8 WEEKS*
*Instrumental test. COLORINSIDER Carmin R shade 5RR vs. equivalent COLORINSIDER shade 5.66+ on bleached hair.