For a basic purple shampoo, you’ll typically spend between $6 and $12. Yep, purple shampoo can actually tone down yellow, orange, and brassy hues, which can occur in color-treated hair, says Kimberly Cannon, a colorist at Sally Hershberger in New York City. 1 of 20. Use a generous amount of purple shampoo and leave it on for up to 30 minutes. 00 ($34.00/Count) $5.00 coupon applied at checkout Save $5.00 with coupon. View Gallery 20 Photos Amazon. Best Purple Shampoo … 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 counterparts. Lower-tier purple shampoos might have a lighter shade, a smaller bottle, or poorer-quality ingredients. Porous hair is prone to catching purple stains because it quickly absorbs pigments. Ahead, the best purple shampoos for the job, including a highly-rated Amazon pick, a budget-friendly option at Walmart (hello, under $12), a salon-quality shampoo at Ulta, and a few you can even pick up at your local drugstore. $34.00 $ 34. You can find purple shampoo for anywhere from $6 to $50. How to Use Purple Shampoo… For a mid-range purple shampoo, you’ll typically spend between $13 and $20. 4.3 out of 5 stars 1,819. Luseta Purple Shampoo and Conditioner Set for Blonde, Gray - Color Treated Hair - Sulfate Free Paraben Free - Infused with Cocos Nucifera Oil for Curly and Damaged Hair - 2x16.9oz. To remedy this, dilute your purple shampoo with water or mix it with regular shampoo to tone down its intensity.