Strength Cure Blonde Purple Shampoo. Here are a couple of before and after shots showing just how much this newly-repackaged shampoo … I think they are well-worth the money and I would … Strength Cure Blonde Purple Conditioner. Pureology. This is a highly, highly pigmented blonde shampoo, which is why it's a great choice for platinum blondes. Price $33.00 - $74.00. Price $31.00 - $72.00. If your blonde or silver hair or highlights are turning dull, brassy, or streaky, purple shampoo is your answer. After several weeks of use, I found Pureology Hydrate Shampoo and Hydrate Conditioner to be very high-quality, effective hair care premium products. 2 Sizes Quick Shop. Our picks include drugstore and luxury options. After testing both Pureology Nano Works and … Summary: This shampoo cost $20.49 for 8.5 ounces, which is less than half of Pureology’s Nano Works. 3.80 out of 5 stars (163 reviews) Pureology. The richly pigmented formula is great for toning silvery platinum hair, and reviewers rave about how effectively it brightens blonde hair after just one wash. 6 Best Purple Shampoo for Curly Hair 2 Sizes Quick Shop. The products: Pureology Strength Cure Blonde Shampoo 266ml and Pureology Strength Cure Blonde Conditioner 266ml . So, Which Shampoo Is Best For Color-Treated Hair? 4.40 out of 5 stars (365 reviews) Pureology.