Is it OK to use purple shampoo once a week?

Author: Filiberto Swaniawski  |  Last update: Monday, June 9, 2025

Keep in mind that purple shampoo does not replace your regular shampoo and should only be used once or twice a week.

Can you use purple shampoo once a week?

If it's your first time using purple shampoo, it's best to stick to just once a week. Use a color-safe shampoo like our Color Assure Color Care Shampoo and Conditioner Set for Colored Treated Hair the rest of the week and slowly increase how many times you use it until you find your perfect shade.

What is the downside of purple shampoo?

Did you know that most purple shampoos can make your hair too dry? It's designed to remove brassiness from your hair, but if used incorrectly they can leave a buildup on your strands that makes them brittle and dull.

How many times in a row can I use purple shampoo?

Typically, you'll want to incorporate purple shampoo into your haircare routine up to twice a week in place of your usual shampoo for color-treated hair.

How often should you wash grey hair with purple shampoo?

How often can you use purple shampoo on gray hair? It is widely recommended only using purple shampoo on gray once a week. If you only wash your hair once a week, I'd move to only using it once a month.

Purple Shampoo & Grey Hair | How It Effects My Silver (White) Hair

What does purple shampoo do to grey hair without?

A sulfate-free purple shampoo is a great option for those looking to keep their gray hair vibrant and healthy. This type of shampoo helps to neutralize yellow and brassy tones, while also being gentle on the hair. Shampoos that contain harsh sulfates can strip away natural oils or cause irritation.

Can you use too much purple shampoo?

Over-toning: Purple shampoo is designed to neutralize yellow or brassy tones in blonde or gray hair. Using it excessively can result in over-toning, leaving your hair with a dull, ashy, or even slightly purple tint.

How long does it take purple shampoo to remove brassiness?

You can go up to 15 minutes next time if you notice little to no difference after drying your hair. If you have platinum, gray, or silver hair, you can leave the purple shampoo on for up to 30 minutes, depending on how brassy or discolored your hair is.

What does brassy hair look like?

Brass usually shows up as yellow or orange tones in blonde hair and orange or red tones in brunette hair. Brassy hair is caused by an overabundance of warm pigments in your hair, usually caused by bleaching and the hair coloring process.

What happens if I leave purple shampoo in my hair for 30 minutes?

If you leave purple shampoo in your hair for 30 minutes, the risk of over-toning increases significantly. While purple shampoo is designed to neutralize brassy or yellow tones, leaving it on for an extended period can lead to overly cool or even purple-tinted hair, especially for those with light or porous hair.

What is the dark side of purple shampoo?

On the flip side, if you leave the shampoo on for too long or don't rinse it out thoroughly, those violet pigments can overstay their welcome, leaving your hair with a grungy, grayish-purple tint. Not exactly the icy blonde look you were going for, right?

What should you not do with purple shampoo?

Don't use on very dry hair

It is important to get the hair into a healthy condition before using purple shampoo because hair is more porous when it is dry and those dry areas can absorb more product which could create unevenness in tone and darken those areas more. This in turn will create a patchy purple effect.

What does overuse of purple shampoo look like?

Too much purple tone in these products can cause the hair to look dull and over toned. The more orange the hair throws off from the shampoo lightening the natural hair, the more the public use the toning shampoo to tone out the warmth, resulting in over toned, murky, green/khaki, dull looking blonde hair.

Can I use regular conditioner after purple shampoo?

Purple shampoo can be drying, so be sure to follow up with a purple conditioner and/or your favorite color-protecting hair mask to restore lost moisture.

Should you put purple shampoo on wet or dry hair?

Visually, this will make your hair look darker, and if you just went through the trouble of getting it colored blonder, this is probably something you are going to want to avoid. Purple shampoo should be applied in the shower or during a hair wash. While your hair is wet, apply the shampoo and lather it onto your hair.

What is the best purple shampoo?

Our top pick for the best hydrating purple shampoo is Kérastase Bain Ultra-Violet Purple Shampoo. We also love Verb Purple Shampoo for its nourishing effect from roots to ends. For a formula with bonding technology, consider Amika Bust Your Brass Blonde Purple Shampoo or Olaplex No.

How to fix brassy hair permanently?

  1. ADD A PURPLE SHAMPOO TO YOUR REGIMEN. Need an at-home brassy hair fix? ...
  2. TRY AN ANTI-BRASS PURPLE HAIR MASK. ...
  3. HEAD TO THE SALON FOR A PROFESSIONAL CONSULTATION. ...
  4. CHOOSE THE RIGHT HAIRCOLOR FOR YOU. ...
  5. PROTECT YOUR HAIR FROM THE SUN & POOL. ...
  6. INVEST IN A SHOWER FILTER. ...
  7. USE BLONDE HAIRCARE PRODUCTS.

What happens if you put grey hair dye on brown hair?

If your hair is brown, you may need to bleach it more than once before you apply the grey dye. It's important you get your hair as light as possible before you attempt to turn it grey – this will help ensure a more even tone and vibrant, all-over colour.

What color brown will cover orange hair?

Orange hair to light brown: Try using a medium ash blonde hair dye, as it can help neutralize the orange tone and achieve a cool light brown hue. Another option is to wait for the orange tones to fade and apply a light brown hair dye over it, making sure to choose a shade with ash undertones to neutralize the orange.

What happens if I use purple shampoo too often?

Doss warns that there is such a thing as too much purple. “When you eliminate too much yellow, it visually ends up darker and a lot of people don't want it to look darker,” she says. “So if you wash your hair twice a week, use the purple shampoo only once a week to keep the hair bright but not yellow.”

Can I use purple shampoo instead of toner?

Purple shampoo acts as a toner to get rid of brassy tones and return your hair to a cooler, salon-fresh blonde. Using purple shampoo is a key step in helping dyed blonde hair look vibrant and fresh. Purple shampoo acts as a toner to get rid of brassy tones and return your hair to a cooler, salon-fresh blonde.

Why isn't my purple shampoo working?

If you are not blonde enough, your purple shampoo will not tone correctly. 2. Purple shampoos are different in their color make up. Some are more blue, some are more violet, some are lighter, and some are darker.

What is the best shampoo for thinning hair?

Top shampoos for thinning hair, at a glance
  • Best Overall: Nizoral Anti-Dandruff Shampoo, $15.
  • Best for Thickening: Kérastase Densifique Thickening Shampoo, $44.
  • Best for Damaged Hair: Vegamour Hydr-8 Shampoo, $38.
  • Best for Volume: Bumble and Bumble Thickening Volume Shampoo, $37.

What does purple shampoo do to grey hair?

Purple shampoo has been used for decades by hairdressers, mostly to help tone and neutralize blonde and gray hair, getting rid of brassy or yellow tones for an overall more cool-toned look.

Does aussie purple shampoo work?

I have tried many purple shampoos and this one is by far my new favourite which I have bought again since. It makes my hair feel so soft but most importantly it really reduces those yellow tones without making your hair look purple!

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