Purple Shampoo Explained: Benefits, Tips, and How Often to Use It

If you have blonde hair, and especially if it’s color-treated or bleached, you’ve probably run into the problem of unwanted warm, brassy tones. Brassiness refers to the yellow and orange shades that can appear in lightened hair over time, making your color look less fresh. While it’s a common issue, the solution is simple: purple shampoo.

This toning shampoo can help you maintain your ideal hair color between salon appointments by neutralizing those warm tones. What does purple shampoo do? It acts as both a cleanser and toner to preserve your cool, bright shade. It won’t replace your everyday shampoo and conditioner, but it’s an essential addition to your routine if you want to keep blonde, silver, or platinum shades looking vibrant.

Keep reading to learn everything you need to know about what purple shampoo does, what purple shampoo will do for brassy hair, how often you should use purple shampoo, and how to use purple shampoo effectively to protect your color.

What Is Purple Shampoo?

Purple shampoo is a hair-cleansing formula infused with purple or violet pigments designed to counteract unwanted warmth in color-treated hair. The pigments work by canceling out brassy tones, restoring a cooler, fresher shade. It’s sometimes called silver shampoo, thanks to its ability to tone silver and gray hair as well.

You’ll want to use purple shampoo whenever your hair starts to look yellow or overly warm. For some, that’s once a week; for others, it might be every few washes. Frequency depends on your hair’s starting color, how often you shampoo, and how exposed your strands are to factors like sunlight or chlorinated water.

Benefits of Purple Shampoo

Purple shampoo isn’t just a single-use fix for brassy tones, it brings a variety of perks that can help keep your hair looking fresh and healthy between salon appointments. Whether you’re aiming for icy platinum, silver, or cool blonde shades, the right purple shampoo can be a game-changer for your color upkeep. Here’s what makes it such an essential part of a blonde hair care routine.

Neutralizes brassy and yellow tones

Purple shampoo works by targeting the yellow and orange tones that can make lightened hair look dull or uneven. The violet pigments balance out these shades, leaving your hair cooler in tone. This makes it a go-to for keeping color-treated blonde hair looking fresh between salon visits.

Enhances cool tones

If you have platinum, silver, or icy blonde hair, purple shampoo can help keep those shades looking crisp and vibrant. By neutralizing warmth, it enhances the cool hues in your hair color. The result is a salon-fresh finish without the need for extra toning services.

Extends time between salon visits

Maintaining your hair color can get expensive, and the best purple shampoo for brassy hair can help you stretch the time between touch-ups. By keeping unwanted tones at bay, you can go longer without a toner or full color service. That means more time enjoying your hair color and less time worrying about brassiness.

How Does Purple Shampoo Work?

Think of purple shampoo through the lens of the color wheel: purple and yellow are opposites, which means they cancel each other out. When your blonde hair develops yellow undertones, the violet pigments in the shampoo help neutralize them, leaving your color looking cooler. This is why purple shampoo on blonde highlights or all-over blonde can make such a noticeable difference.

Brassiness happens because lightening hair with bleach removes natural pigment, but often leaves behind warm tones. Over time, factors like sun exposure, mineral buildup, and chlorine can intensify that warmth. Using purple shampoo helps counteract these changes so your blonde, silver, or highlighted hair stays looking its best.

It’s worth noting that purple shampoo isn’t only for blondes; it can also reduce red and orange tones in lightened brown hair. If you have balayage, ombré, or caramel highlights, you may benefit from adding it to your routine.

The Best Purple Shampoo and Conditioner

For a gentle yet effective option, try the L’Oréal Paris EverPure Sulfate-Free Purple Toning Shampoo and the L’Oréal Paris EverPure Sulfate-Free Purple Toning Conditioner. This set neutralizes brass while hydrating your hair, thanks to a formula enriched with nourishing hibiscus. It’s free from sulfates, parabens, and gluten, making it suitable for sensitive scalps and color-treated hair.

Another great choice is the L’Oréal Paris Elvive Color Vibrancy Purple Shampoo, which brightens blonde and silver tones while cleansing. 

For a more intensive treatment, the L’Oréal Paris Fèria Power Toner Long-Lasting Anti-Brass Toner offers long-lasting brass control and a cool-toned finish. All three work beautifully to keep your color vibrant and fresh.

How To Use Purple Shampoo

Using purple shampoo is simple, but the technique you use can make all the difference in achieving even, brass-free results. Here’s a detailed breakdown so you can get the most from your toning routine.

Apply the shampoo to wet hair

Start with clean, wet hair and apply your purple shampoo generously from roots to ends. Make sure every strand is coated to allow the violet pigments to work evenly. This ensures that both the top layers and the underneath sections of your hair get the same level of toning.

Massage into a lather at the roots

Gently massage the purple shampoo into your roots, working up a lavender-toned lather. This step helps distribute the pigment to areas most prone to yellowing, especially near the scalp, where regrowth and buildup occur. Using gentle, circular motions also stimulates the scalp without causing tangles.

Distribute through the lengths

Once your roots are well saturated, glide the shampoo through the mid-lengths and ends. Ensure the pigment reaches every section to prevent uneven toning or patchy results. The goal is consistent color from root to tip for a fresh, balanced look.

Let it sit

Leave the purple shampoo on your hair for two to five minutes, adjusting based on your brassiness level and desired tone. Shorter times are ideal for subtle toning, while longer times help create cooler, ashier results. Always set a timer so you don’t over-tone your hair.

Rinse and condition

Rinse thoroughly with lukewarm water to remove all traces of shampoo and pigment. Follow with a nourishing purple conditioner to lock in hydration while boosting toning benefits. For best results, use the L’Oréal Paris EverPure Sulfate-Free Purple Toning Conditioner to keep hair soft, smooth, and vibrant.

How Long Can You Leave Purple Shampoo in Your Hair?

Always follow the timing instructions on your shampoo’s label. With the L’Oréal Paris EverPure Sulfate-Free Purple Toning Shampoo, two to five minutes is ideal. Leave it closer to five minutes for icy blonde shades, and closer to two minutes if you have warmer, golden tones.

If you leave it on for too long, especially on very light or silver hair, you might notice a faint violet cast. This is temporary and can be removed with a clarifying shampoo, such as L’Oréal Paris EverPure Sulfate-Free Clarifying Shampoo with Antioxidants.

How Often Should I Use Purple Shampoo?

Purple shampoo should be used as needed, typically one to three times a week. If you wash your hair daily, you might use it every second or third wash. For those who wash less frequently, once a week may be enough to keep brassiness away.

Overuse can lead to a slightly dull or overly ashy tone, so adjust based on your hair’s needs. The goal is to refresh your color, not replace your regular shampoo entirely.

Can Purple Shampoo Change Your Hair Color?

Does purple shampoo lighten hair? No, it won’t lighten or darken your base color. Its role is to tone, not bleach or deposit long-term pigment. However, overuse or leaving it on too long can cause temporary violet hues, especially in very light hair.

If you love the idea of adding purple tones intentionally, try a product designed for that purpose, like the L’Oréal Paris Colorista Hair Makeup Temporary 1-Day Hair Color Spray in Purple. It gives you a fun, bold look without risking unwanted staining from over-toning.

Does Purple Shampoo Clean Your Hair?

Yes, purple shampoo is a complete cleansing product that washes away dirt, oil, and product buildup while depositing violet toning pigments to combat brassiness. It works as both a cleanser and toner, so there’s no need to double-shampoo with a separate formula before or after. 

Does Purple Shampoo Make Your Hair Dry?

Purple shampoo shouldn’t dry out your hair, but it’s not meant to replace your moisturizing shampoo. On purple shampoo days, pair it with a hydrating conditioner like the L’Oréal Paris EverPure Sulfate-Free Purple Toning Conditioner to help lock in moisture. If your hair is very dry or damaged, consider swapping purple shampoo for a purple toning mask once in a while. The L’Oréal Paris EverPure Sulfate-Free Anti-Brass Purple Mask Treatment tones while providing deep hydration, making it ideal for those who need extra nourishment.

Best Hair Care Products for Color-Treated Blonde Hair

Because you won’t be using purple shampoo every day, here are some essentials to keep your blonde hair healthy between toning washes:

Shampoo and conditioner for color-treated hair

Try the L’Oréal Paris EverPure Bond Strengthening Pre-Shampoo Treatment, a targeted formula that preps and fortifies strands before cleansing. Follow with the EverPure Sulfate-Free Bond Repair Shampoo and Conditioner with Citric Acid, which gently cleanses while rebuilding weak bonds and sealing the cuticle for smoothness. Together, this system works to repair and strengthen lightened, color-treated hair from the inside out, helping maintain softness, shine, and long-lasting color vibrancy.

Hair masks and treatments

The L’Oréal Paris EverPure Sulfate-Free Glossing 5-Min Lamination Hair Mask is designed to give dull, color-treated hair a luminous, mirror-like finish in just minutes. Its sulfate-free formula smooths the hair cuticle to enhance shine, while preserving your tone and protecting against color fade. For deep, long-lasting hydration, follow with the L’Oréal Paris EverPure Sulfate-Free Moisture 21-in-1 Leave-In Conditioner, which offers multiple benefits, including detangling, frizz control, heat protection, and nourishment to keep color-treated strands soft, manageable, and healthy-looking.

Next Up: How to Rock Platinum Blond Like a Total Trendsetter

Photo courtesy of L’Oréal Paris 

 Photo credit: IG/@hairbymeganperez,@momentohair,@hair.byhanna