The blue pigment cancels out orange, and the purple pigment cancels out yellow. All this talk about color comes down to two important points. Blue shampoo removes orange tones from brunette or darker hair, while the purple shampoo is a great option when yellow tones appear in blonde or light-colored hair.
While you should stick with purple or blue shampoo most of the time, you do have the option to use both if you have multiple undertones. But a good rule of thumb is that a blue shampoo is best for dark hair and brunettes; and purple shampoo is better for blondes, silver or gray hair.
If red, copper, or orange undertones become visible in your hair naturally, making it look brassy, you should absolutely include a blue shampoo in your hair care routine. But if it isn't a common problem, you might opt out of using it, or wash your hair with such a shampoo only from time to time.
If you're a darker blonde with orange tones, blue shampoo neutralises orange tones within blonde hair, banishing brassiness. Perfect for brunettes turned blonde converts, whether you've gone ombre, balayage, highlights or gone all the way.
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.
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.
The blue pigment cancels out orange, and the purple pigment cancels out yellow. All this talk about color comes down to two important points. Blue shampoo removes orange tones from brunette or darker hair, while the purple shampoo is a great option when yellow tones appear in blonde or light-colored hair.
For a stronger effect, you can leave it in your hair for three minutes before rinsing. But don't leave your shampoo for too long, it might darken your hair too much!
Neutralizes brassy tones in all shades and adds silvery brightness to gray hair.
If your hair is resistant to color, using blue shampoo on dry hair may be more effective. If your hair takes color well, do a strand test on dry hair. If you rinse it out and end up with unwanted blue tones, you may be better off applying the shampoo to wet hair in the future.
Best for Blondes: Davines Heart of Glass Silkening Shampoo, $38. Best for Fast Results: Eva NYC Brass to Sass Brunette Shampoo, $14. Best for Hair Repair: Virtue ColorKick De-Brassing Shampoo, $44. Best for Gray Hair: Aveda Blue Malva Shampoo, $75.
Using too much blue shampoo too often can leave you with a darker shade than you desire. One way to avoid over-use is to alternate blue shampoo with your regular go-to shampoo. The blue pigment in blue shampoo can be a powerful surface toner.
You can, but it depends on your hair color and the tones you're dealing with. This can be a good option for hair with multiple tones. For instance, brunettes with blonde highlights might mix a small amount of blue shampoo with regular purple shampoo to address both brassy and yellow tones.
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.
There are many reasons why platinum shampoo is a far better alternative to purple shampoo. First of all, platinum shampoo can make your hair look incredibly shiny. It's also less likely than purple shampoo to cause your hair to become dry and brittle.
Typically, washing with blue shampoo results in an instant brightening effect that can eliminate orange tones for 2-3 washes.
In case you do leave hair dye on your hair for too long rather than rinsing it at the recommended time, you could end up with a hair color that is much darker than the color you were hoping for. Even worse, your hair might end up brittle, over-processed and unnatural looking.
Overuse of blue shampoo on fine or dry hair can lead to unwanted color buildup or dryness, so spacing out applications is key. Long or thick hair: Frequency once per week or as needed.
There's two reasons why your hair is still brassy after toning or colouring. Either the undertone of the toner/colour is wrong, or the product is too light for you.
To neutralize yellow undertones, you need to use the opposite of yellow on the color wheel, and purple is exactly that. This is why purple shampoo is a great choice for blonde hair but not necessarily recommended for other colors. Understanding this can help you make the best choices for your hair care routine.
Green shampoo, like blue and purple shampoo, refers to the color of the product and it's neutralizing capabilities. You could think of this shampoo as a color corrector for your hair. Just like in makeup, you would use a green color corrector over any red acne scarring, orange over blue patches of skin etc.
Most of the time when people are chatting about the big 3 for hair loss, they are referring to Minoxidil, Finasteride, and Ketoconazole (Nizoral) shampoo. Although, there are some who feel like the third component of the big 3 should be microneedling in place of Ketoconazole shampoo.