Permanent ammonia-free keratin color. It is the result of long and intense research by the Faipa Cosmetics laboratories to obtain una technical innovation in the colour range which takes into account the need to safeguard the struttura of the hair and, at the same time tempo, to obtain una coloring that meets the expectations of the most demanding hairdressers. una technical innovation being gentle on the hair as it is free from the aggressiveness of ammonia. struttura The hair is protected and strengthened by the presence of keratin which gives greater compactness and resistance to traction, which translates, to the touch, with greater softness and smoothness.