I’m on My 4th Bottle of the Hair-Toning Mask That Curbs Brassy Grays, Per Shoppers (2025)

All hair types and hair colors have their own needs and idiosyncrasies, but I’d argue that bleached hair is one of the most high maintenance styles. From worries of hair damage to split ends to brassy color and growing roots, there’s always something that needs your attention.

One product that I absolutely swear by for keeping my blonde hair free of yellow tones and soft-to-the-touch is the Bold Uniq Purple Hair Mask. This $30 mask is a quick fix for bleached, gray, and ashy hair colors that need a little toning, while simultaneously conditioning your hair in the process. I’m on my fourth bottle, and it has more than 35,000 five-star ratings on Amazon, so I’d say I’m not the only one that thinks it's a game-changer.

Bold Uniq Purple Hair Mask

Purple shampoo is a hair care staple for those with blonde, silver, gray or ashy hair. The formula harnesses purple pigments to cancel out yellow and orange tones that commonly present in those hair colors. It works really well, but I’ve found that most purple shampoos are drying, which can become problematic for some (myself included) because blonde, ashy, and silver hair is typically of the bleached, dry, and maybe even damaged variety. If it’s not, then it’s gray hair, which tends to be coarse and wiry. A little extra hydration and nourishment for those hair colors can go a long way.

This hair mask contains coconut oil and marula oil to condition the hair without weighing it down. The soft, creamy texture resembles pudding and post-application, my hair always feels revived and moisturized, especially at the ends. Plus, it does wonders for the shine.

This mask comes with gloves, and I suggest using them because the formula will stain your hands—and your shower. (It’s that potent, but that’s a good thing!) As someone with warm blonde hair that doesn’t like it too yellow or orange, I find that I only need to leave this mask on for one to two minutes. If you have gray or silver hair, you can leave it on for 10 to 20 minutes, and it will tone your hair to max vibrancy and coolness. The formula is intense, but that’s only a plus in my eyes because it means a little goes a long way. The results honestly rival a salon trip for a fraction of the price, time, and effort.

I’ve tried tons of different purple shampoos and even a few purple hair masks, but the Bold Uniq Purple Hair Mask is the best, by far. It works, it’s quick, and the extra nourishment and hydration it provides is so good for my hair. Amazon reviewers share my same thoughts, saying that “nothing compares to this product.” Another shopper shared the same excitement, writing that the results were everything [they] ever wanted.”

Shoppers with gray hair have reported great results with this product, too. One person wrote, “I have gray hair and had some bad yellowing because of heat damage. This product fixed it completely…I am actually shocked at how well it worked.” Another user wrote that they no longer need to dye their hair since they started using this mask. “The color removed all the areas of brass from my gray and made it a gorgeous silver that is so icy!” they said.

If you’re looking for a brass-fighting toner that can hydrate the hair and cut down on salon visits, you have to try the Bold Uniq Purple Hair Mask. Shop more brass-fighting hair products on Amazon, below.

Bold Uniq Purple Shampoo

Redken Blondage Express Anti-Brass Hair Mask

John Frieda Violet Crush Purple Toning Mask