That’s because it truly is one of the best. Find helpful customer reviews and review ratings for PROVOKE Touch of Silver Brightening Shampoo - Purple Toning Shampoo for Blonde, Platinum, White or Grey Hair - 200ml at Amazon.com. Read honest and unbiased product reviews … Shimmer Lights (currently $16.46 for an 16-ounce bottle on Amazon) is a purple shampoo that uses violet dye to neutralize yellow, brassy color. If you’ve read any purple shampoo reviews prior to this, then you’ve probably seen Joico on there. Score: 71/100. Provoke Touch of Silver Strengthening Purple Shampoo + Conditioner Review The ILLUMINEX range from PRO:VOKE Touch of Silver has a new collection of sulphate-free, vegan colour enhancing … Harsh lighteners and bleach can make hair even … Really like this product to help neutralise the brassy yellow tones in my hair - quite a gentle shampoo compared to some other shampoos on the market for blonde hair - can use this one 3 times a week with out my hair gaining a purple tint [product:kerastase-blond-absolu-anti-brass-purple-shampoo … Perfect for blonde, grey or white hair, this Schwarzkopf purple shampoo claims to use cold violet pigments and anti-yellow effect to fight against yellow undertones.