The first thing that struck me about this Olaplex No. 4P Blonde Enhancer Purple Toning Shampoo wasn’t just its vibrant violet pigment but how smoothly it rinsed out and left my hair feeling surprisingly soft. After testing numerous purple shampoos, I found that many either reeked of harsh chemicals or left hair dull and brittle. This one, however, balanced strong toning power with gentle care, which is key for frequent use.
It neutralizes brassiness effectively without sacrificing moisture or shine, even after multiple washes. Unlike some products that leave hair stiff or weighed down, Olaplex’s formula maintains a light, healthy feel. I also appreciated its consistent violet tone that kept my blonde cool and bright without any of that unpleasant purple tint. Trust me, this shampoo stacks up well against pricier salon brands with its impressive performance and quality—making it my top pick for timeless, brass-free blonde hair.
Top Recommendation: Olaplex No. 4P Blonde Enhancer Purple Toning Shampoo
Why We Recommend It: This shampoo combines potent violet pigments for quick brassiness neutralization with Olaplex’s bond-building technology, which repairs and strengthens hair during each wash. Its 250ml size offers good value, and it feels less harsh than some alternatives like Redken Blondage or John Frieda, which can sometimes leave hair dry. Overall, it offers a superior blend of effective toning and nourishing care, perfect for maintaining a bright, healthy blonde.
Best shampoo for taking brassiness out of blonde hair: Our Top 5 Picks
- Olaplex No. 4P Blonde Enhancer Purple Toning Shampoo, – Best Value
- Redken Blondage Purple Shampoo for Blonde & Highlighted Hair – Best Shampoo to Reduce Yellow Tones in Blonde Hair
- Joico Color Balance Purple Shampoo 10.1oz – Best for Maintaining Platinum Blonde Hair
- John Frieda Violet Crush Purple Shampoo for Blonde Hair – Best Shampoo for Brightening Dull Blonde Hair
- Bold Uniq Purple Shampoo – Remove Yellow Tones & Condition – Best Shampoo to Prevent Brassiness in Blonde Highlights
Olaplex No. 4P Blonde Enhancer Purple Toning Shampoo,
- ✓ Gentle but effective toning
- ✓ Keeps hair soft and manageable
- ✓ Pleasant, subtle scent
- ✕ Takes multiple washes for full effect
- ✕ Might need frequent use on very brassy hair
| Volume | 250 milliliters |
| Brand | Olaplex |
| Product Type | Purple Toning Shampoo |
| Intended Use | Reduces brassiness in blonde hair |
| Color-Correcting Properties | Purple pigment for toning |
| Price | USD 22.4 |
After battling stubborn brassiness in my blonde hair, I finally added the Olaplex No. 4P Blonde Enhancer Purple Toning Shampoo to my shower shelf.
The sleek 250-milliliter bottle feels substantial in your hand, with a clean, minimalist design that looks nice even in a crowded shower. I was curious if it would really neutralize those unwanted golden hues that pop up after a few washes.
From the first use, I noticed how gentle it felt—rich lather but not stripping. The purple tint is noticeable but not overwhelming, which is a relief if you’re cautious about over-toning.
It has a subtle, fresh scent that lingers just enough without being overpowering. I kept it on my hair a little longer than usual, and I was impressed by how evenly it distributed, even through my thick strands.
Over the next few washes, the brassiness definitely dimmed. The yellow tones faded into a cooler blonde that looked more polished.
What I appreciated is how my hair still felt soft and manageable afterward, not dry or weighed down. Plus, I didn’t notice any unwanted purple tint lingering—just cleaner, more refreshed blonde.
It’s a solid pick if you’re tired of fighting brass with harsher products. The formula seems to work gradually, so you get a natural-looking result without drastic color shifts.
The price point is fair considering how well it maintains the tone without damage. That said, if you have very dark or previously processed hair, you might need to use it more frequently for best results.
In all, this shampoo makes toning effortless and keeps my blonde looking bright and cool without sacrificing softness. It’s become a staple in my routine, especially during warmer months when brassiness tends to creep back in.
Redken Blondage Purple Shampoo for Blonde & Highlighted Hair
- ✓ Brightens and neutralizes brass
- ✓ Strengthens and softens hair
- ✓ Long-lasting color protection
- ✕ Can stain if left too long
- ✕ Slightly drying if overused
| Product Type | Color-depositing purple shampoo for blonde hair |
| Formulation | Liquid shampoo with violet pigments and salicylic acid |
| Recommended Usage Frequency | 2-3 times per week |
| Application Time | Leave on for 3-5 minutes |
| Key Ingredients | Purple pigments, salicylic acid, proteins, amino acids, glycerin |
| Color Correction Effect | Neutralizes brassy, yellow, and orange undertones to achieve cooler blonde tones |
Right out of the box, the vibrant purple hue of the Redken Blondage Purple Shampoo caught my eye. It’s thick but not heavy, with a silky texture that spreads easily through damp hair.
As I lathered it in, I could feel the gentle exfoliating action from the salicylic acid, which gave me a sense of cleaning deeper than just surface level.
After leaving it on for the recommended 3-5 minutes, I rinsed and immediately noticed my hair felt softer and more manageable. The purple pigment visibly toned down the yellowish undertones, leaving a cooler, brighter blonde.
It’s gentle enough to use 2-3 times a week without stripping moisture, thanks to the glycerin and amino acids.
What really stood out was the way it strengthened my hair post-wash—less breakage and more shine. My blonde looked vibrant and fresh, almost like I’d just stepped out of a salon.
The scent is fresh and clean, not overpowering, which makes it a pleasure to use regularly.
Over a few weeks, I appreciated how well it maintained my color and kept brassiness at bay, even after multiple washes. It’s a smart choice for anyone tired of dull, yellowish blondes, especially if you want a product that both cleanses and cares for your hair.
The only downside? Since it’s a pigmented formula, overuse might give a slight purple tint if you leave it on too long.
Joico Color Balance Purple Shampoo 10.1oz
- ✓ Neutralizes yellow tones effectively
- ✓ Boosts shine and smoothness
- ✓ Strengthens hair over time
- ✕ Can be drying if used too often
- ✕ Needs consistent use for best results
| Primary Function | Purple shampoo for neutralizing yellow and warm tones in blonde hair |
| Pigments | Violet pigments for direct neutralization of yellow tones |
| Additional Ingredients | Green tea extract, UV absorbers, rosehip oil, arginine, keratin |
| Technology | Smart Release liposome delivery system for continuous release of nourishing ingredients |
| Size | 10.1 ounces (297 mL) |
| Suitable For | Blonde hair, color-treated hair, toning and anti-brassiness |
First time I squeezed out a dollop of this purple shampoo, I was struck by how vibrant the violet pigment looked against the clear liquid. It’s almost startling how deeply pigmented it is, but that’s exactly what you want to see in a product designed to neutralize brassiness.
At first, I was curious if it would be too harsh or overly purple on my hair, but it turns out, it’s surprisingly gentle. The mild scent is fresh without being overpowering, and I appreciated how smoothly it lathers up.
It spread evenly, covering all my blonde strands without any patchiness.
After rinsing, I noticed my hair looked instantly brighter and cooler-toned. The real magic is in the violet pigments—they attach to the hair and neutralize yellow tones right away.
Over a few uses, I saw a significant reduction in brassiness, especially on the ends that tend to turn warm quickest.
What impressed me most was how healthy my hair felt afterward. Thanks to the Smart Release Technology, Rosehip Oil, Arginine, and Keratin are slowly released, helping repair damage and strengthen each strand.
My hair felt softer, shinier, and less prone to static even in dry weather.
And the green tea extract plus UV absorbers are smart touches—they help maintain the color and prevent fading over time. I also noticed my hair held onto its cool tone longer between washes, which is a huge win for me.
Overall, this shampoo is a game-changer for blondes tired of fighting brass. It’s effective, gentle, and leaves hair looking vibrant and healthy.
Plus, the price point feels fair given the quality and results.
John Frieda Violet Crush Purple Shampoo for Blonde Hair
- ✓ Brightens and neutralizes brass
- ✓ Rich, pigmented formula
- ✓ Leaves hair soft and clean
- ✕ Needs regular use for best results
- ✕ Might dry out very dry hair
| Primary Function | Color-correcting purple pigment deposit to neutralize yellow/brassy tones in blonde hair |
| Pigment Type | Crushed violet pigments |
| Formulation | Liquid shampoo with violet colorants |
| Recommended Use | Use with John Frieda Violet Crush Purple Conditioner for optimal results |
| Target Hair Type | Color-treated or highlighted blonde hair |
| Application Frequency | Designed for regular use to maintain cool, bright blonde tones |
That vibrant purple bottle of John Frieda Violet Crush Shampoo has been sitting on my shelf, tempting me with promises to banish brassiness from my blonde locks. Finally giving it a whirl, I was eager to see if it could truly make a difference in just one wash.
The first thing I noticed was how rich and pigmented the shampoo is. As I massaged it into my hair, it felt thick and luxurious, not thin or watered down like some purple shampoos.
The crushed violet pigments immediately started depositing color, and I could see a subtle tint in the lather.
After rinsing, my blonde hair definitely looked cooler and brighter, with less yellow and brassy tones. The effect was noticeable instantly, and I was impressed by how vibrant the results were, especially after just a single use.
It left my hair feeling clean, soft, and refreshed, not stripped or dull.
One thing I appreciated was how well it paired with the Violet Crush Purple Conditioner. Using both together really enhanced the color correction and kept my blonde looking salon-fresh longer.
The scent is fresh yet subtle, which I liked, and it didn’t weigh my hair down.
Of course, it’s not a miracle worker if your brassiness is severe, but for regular upkeep, it’s fantastic. I’d recommend using it once or twice a week to keep your blonde from turning yellow.
Overall, it’s affordable, effective, and a real game-changer for maintaining bright, cool-toned blonde hair.
Bold Uniq Purple Shampoo – Remove Yellow Tones & Condition
- ✓ Vibrant violet pigments
- ✓ Softens and adds shine
- ✓ Protects against UV fading
- ✕ Can tint very light hair
- ✕ Slightly pricier
| Primary Function | Purple toning shampoo for neutralizing yellow/brassiness in blonde, silver, gray, and highlighted hair |
| Pigment Content | Contains intense violet pigments for color correction |
| Formulation | Sulfate-free (SLS-free), paraben-free, cruelty-free, vegan-friendly |
| UV Protection | Includes UV filters to prevent color fading from ultraviolet radiation |
| Additional Benefits | Contains Vitamin B5 derivative to soften hair and add shine |
| Suitable Hair Types | Blonde, platinum, gray, silver, bleached, and highlighted hair |
The first time I squeezed out this purple shampoo, I was surprised by how intensely violet the liquid was—almost like a vibrant dye. As I massaged it into my blonde, I could feel the rich pigments working right away, and I couldn’t help but smile at how bright and lively my hair looked even before rinsing.
It lathers surprisingly well for a sulfate-free formula, creating a thick foam that feels luxurious and spreads evenly. I left it on for a few minutes, during which I appreciated the subtle scent—fresh but not overpowering.
When I rinsed, my hair felt soft and manageable, not stripped or dried out.
What really stood out was how effectively it neutralized the yellow and brassy tones. After a few uses, my blonde looked cooler and more polished—like I had just stepped out of the salon.
Plus, the added Vitamin B5 gave my hair a noticeable shine, making it look healthier overall.
The UV filters are a nice touch, especially during sunny days, helping to keep my color vibrant longer. I also love that it’s cruelty-free, vegan, and free of parabens and sulfates—makes me feel good about what I’m putting on my hair.
One thing to note, though: because of the intense violet pigments, I’d recommend using it sparingly if you have very light blonde or platinum hair, to avoid any slight tinting. Also, it’s a little more expensive than regular shampoos, but I think the results justify the cost.
What Causes Brassiness in Blonde Hair?
Brassiness in blonde hair is primarily caused by a combination of factors including chemical treatments, environmental influences, and hair care products.
- Oxidation: This occurs when hair color fades and the underlying pigments are exposed, leading to unwanted warm tones.
- Minerals in Water: Hard water contains minerals like iron and copper that can deposit on hair, enhancing brassy hues.
- Sun Exposure: UV rays can break down hair color and alter its tone, causing lighter shades to appear more yellow or orange.
- Improper Hair Care Products: Using shampoos and conditioners that are not suited for colored hair can strip away essential pigments and moisture, leading to brassiness.
- Heat Styling: Frequent use of heat styling tools can damage the cuticle, making hair more porous and susceptible to color changes.
Oxidation happens naturally as hair color fades over time, revealing warm tones that are often undesired in blonde shades. This process can be accelerated by exposure to various elements and the use of certain hair products.
Minerals from hard water can cling to hair strands, resulting in a buildup that contributes to a brassy appearance. Regularly using a clarifying shampoo can help remove these deposits and restore the natural tone of blonde hair.
Sun exposure can lead to the degradation of hair color, particularly in light shades. This is why it’s crucial to protect hair with UV filters or hats when spending extended periods outdoors.
Improper hair care products, especially those containing sulfates or harsh chemicals, can strip color from blonde hair. Choosing products specifically designed for color-treated hair can help maintain the desired tone and prevent brassiness.
Heat styling can create damage that increases the hair’s porosity, making it more prone to absorbing unwanted warm tones from environmental factors and products. It’s beneficial to use heat protectants and limit the use of heat tools to preserve color integrity.
How Do Purple and Blue Pigments in Shampoo Neutralize Brassiness?
Purple and blue pigments in shampoo are effective in neutralizing unwanted brassiness in blonde hair by utilizing the color wheel principles of color correction.
- Purple Pigments: Purple pigments are effective for counteracting yellow tones that often develop in blonde hair. Yellow and purple are opposite on the color wheel, meaning that the purple pigments can effectively cancel out the yellow tones, resulting in a cooler, ashier blonde appearance.
- Blue Pigments: Blue pigments are utilized to neutralize orange tones, which can appear in lighter hair after dyeing or exposure to environmental factors. Since blue lies opposite to orange on the color wheel, these pigments help to balance out the warmth, making the hair look more vibrant and less brassy.
- Concentration of Pigments: The effectiveness of these pigments often depends on their concentration in the shampoo. Shampoos with higher concentrations of purple or blue pigments can provide more intense color correction, making them suitable for hair that is significantly brassy or has undergone multiple lightening treatments.
- Frequency of Use: To maintain the desired tone, the frequency of use of these pigmented shampoos plays a crucial role. Overuse can lead to a dull, grayish hue, while insufficient use might not adequately neutralize brassiness, so finding the right balance is essential for optimal results.
- Additional Ingredients: Many shampoos designed to reduce brassiness also include nourishing ingredients like conditioners and oils to keep the hair hydrated and healthy. This is important because the color correction process can sometimes strip moisture, leading to dryness and damage in the hair.
Which Ingredients Should You Look for in a Shampoo to Combat Brassiness?
Coconut oil works wonders in retaining moisture and repairing damage to color-treated hair. Its nourishing properties help maintain the integrity of blonde hair, which is crucial for preventing brassiness from emerging due to dryness and damage.
Lastly, apple cider vinegar is a powerhouse for hair health. It helps remove product buildup and residue, which can dull the hair color, while its pH-balancing properties contribute to a brighter, shinier blonde, effectively combating brassiness.
What Are the Most Effective Shampoos for Reducing Brassiness?
Several shampoos are particularly effective for reducing brassiness in blonde hair:
- Purple Shampoo: Purple shampoos are formulated with purple pigments that neutralize yellow and brassy tones in blonde hair. They work on the color wheel principle, where purple counteracts yellow, helping to maintain a cooler blonde shade and enhance brightness.
- Blue Shampoo: Blue shampoos are ideal for those with darker blonde or light brown hair, as they contain blue pigments that combat orange tones. This makes them useful for color-treated hair that tends to develop warmth and brassy hues over time.
- Color-Correcting Shampoo: These shampoos are designed with color theory in mind, targeting specific brassiness issues based on your current hair color. They often contain a blend of pigments and nourishing ingredients to both neutralize unwanted tones and enhance overall hair health.
- Moisturizing Shampoo: While not specifically designed for brassiness, moisturizing shampoos can help maintain the health of color-treated hair, reducing the chances of fading and unwanted warmth. Hydrated hair reflects light better, which can keep your blonde looking fresh and vibrant.
- Sulfate-Free Shampoo: Sulfate-free shampoos are gentler on color-treated hair and help preserve the integrity of the dye. By minimizing color stripping and damage, they allow blonde shades to stay truer for longer periods, indirectly preventing brassiness from developing.
How Often Should You Use Shampoo to Maintain Blonde Hair Color?
The frequency of shampooing blonde hair can significantly influence its color maintenance and brassiness control.
- Daily Shampooing: While daily shampooing might seem beneficial for cleanliness, it can strip natural oils and color, leading to quicker fading and increased brassiness.
- Every Other Day: Shampooing every other day allows for a balance between maintaining clean hair and preserving color, which can be particularly effective for those with oily scalps.
- Weekly Shampooing: For those with dry or coarse blonde hair, washing once a week can prevent excessive dryness and brassiness while keeping the hair vibrant.
- Use of Color-Safe Shampoos: Utilizing the best shampoo for taking brassiness out of blonde hair can help maintain color integrity while cleansing, making it suitable for more frequent use.
- Incorporating Purple Shampoo: Using purple shampoo once a week can neutralize brassiness in blonde hair, effectively maintaining color brightness without over-shampooing.
Daily shampooing may not be ideal for maintaining blonde hair color as it can lead to dryness and brassiness due to the removal of essential oils and color pigments. It’s essential to consider the hair’s texture and oiliness when deciding on a washing routine.
Shampooing every other day strikes a good balance for many individuals, allowing for scalp cleanliness while minimizing color loss. This frequency can help control oil production without overwhelming the hair with cleansing agents.
For those with drier hair types, washing once a week may be the best option, as it preserves moisture and color saturation, thus reducing the risk of brassiness. This approach is particularly beneficial for maintaining the health of bleached or highlighted blonde hair.
Using color-safe shampoos specifically designed to combat brassiness can allow for more frequent washing without compromising color quality. These shampoos are formulated to be gentle on color-treated hair while effectively cleansing.
Purple shampoos are a valuable addition to a blonde hair care routine, as they contain violet pigments that neutralize yellow tones. Incorporating purple shampoo into a weekly regimen can help maintain a bright, cool blonde without the need for excessive washing.
What Additional Hair Care Tips Can Help Prevent Brassiness?
To prevent brassiness in blonde hair, consider the following hair care tips:
- Use a Purple Shampoo: Purple shampoo is specifically formulated to neutralize brassy tones in blonde and silver hair. The purple pigments counteract yellow and orange hues, helping to maintain a cooler, more vibrant blonde shade.
- Deep Conditioning Treatments: Regular deep conditioning can help maintain moisture and health in blonde hair, making it less prone to damage and discoloration. Look for treatments that contain nourishing ingredients like oils and proteins to restore shine and prevent dullness.
- Limit Heat Styling: Excessive heat styling can lead to dryness and color fading, making brassiness more likely. Try to reduce the use of heat tools and opt for heat protectant sprays when styling to shield hair from damage.
- Protect from Sun Exposure: UV rays can fade hair color and contribute to brassiness over time. Wearing hats or using hair products with UV protection can help shield your blonde locks from the sun’s harmful effects.
- Choose the Right Products: Selecting shampoos and conditioners specifically designed for blonde hair can help maintain its tone and vibrancy. Look for sulfate-free formulas and those labeled as color-safe to avoid stripping color and moisture.
- Regular Touch-Ups: Keeping up with regular hair color touch-ups can prevent brassiness from developing in the first place. This means addressing roots and any fading areas promptly to keep the overall color looking fresh and even.
- Stay Hydrated and Maintain a Healthy Diet: Internal health plays a role in the appearance of your hair. Staying hydrated and consuming a balanced diet rich in vitamins and minerals can promote healthy hair growth and color retention.