Joico Blonde Life Violet Shampoo: rated 5 out of 5 on MakeupAlley. It also prevents any yellowing of hair. I also had to leave it on … Ulta's display had a photo of before and after. It works, but I had to the Joico purple shampoo 3-4 times a week to see results. The Joico purple shampoo is sulfate free and good for those blondes who have brazilian blowouts or keratin treatments who need to tone down yellow. This product is meant to be … ... My hair is already grey/light; however, this shampoo turned my hair truly platinum! One wash goes a long way with Joico's formula: Tone-correcting pigments attach to the hair's fibers and stay attached through multiple shampoos, so your mane becomes more vibrant long after … The Unite purple shampoo is another favorite that … The before photo has very light yellowish hair and after … Joico’s Color Endure Violet Shampoo contains purple tones to remove brassiness from grays so that they look more vibrant. I used the Joico purple shampoo before I discovered the Blacklight violet shampoo. Purple Shampoo Before And After Brown Hair Joico Color Endure Violet Shampoo Review | Maple Holistics posted on: June 05 2020 02:24:53.