If you've got darker hair and orange tones, blue shampoo … Breathe new life back into your blonde hair again with Joico’s Color Balance Purple Shampoo. The formula has just the right amount of pigment in it to neutralize yellow tones so it won’t leave any purple … What We Liked: This purple shampoo is designed to tone down brassiness, especially for those with silver hair.The formula includes UV protection to keep your hair color safe from the sun, which comes in handy if you spend time outdoors. Purple shampoo is specifically designed for hair with yellowy tones. The light… Original & Minerals Conquer Blonde Silver Shampoo keeps blonde and natural grey hair luminous and bright by eliminating yellow tones.This purple shampoo is both gentle and effective, helping to maintain those cool tones from their cool-based CØR.color line.. Jojoba Esters and UV Protection are key players in this formula that help set it apart from its purple shampoo … Another reason why your shampoo may not be working - your hair isn't light enough.