There are not fade preventive ingredients, per se; with the chemical processing of this line, once the small color pigments have penetrated, they then grow and become larger so the hair shaft will retain them longer. I am certified in several different color lines and nothing has been able to hold a candle to this one yet.
Hair Stylist and Curly Hair Specialist - St. Petersburg, FL (Tampa Bay)
Blog: Live Curly, Live Free
Facebook fan page: Live Curly Live Free
Sulfate- and non-water soluble silicone-free since 04/22/2002
3B, brunette: medium texture, low porosity, high density