It's important to note that the pigment in purple shampoo isn't a lightener or hair dye but a gentle toner that works overtime. So it can't darken your hair or make it any lighter. For this reason, if your hair tone is too dark, it won't make it any brighter.
If anything, purple shampoo may make your hair temporarily slightly darker. This is because the inky purple pigments found in purple shampoo are a darker color than the shades of yellow in blonde hair.
Purple shampoo is for already bleached hair, so if you're hoping to lighten brown hair with purple shampoo, you'll be disappointed. This is all down to the fact that purple shampoo isn't lightening. Instead, it brightens blondes by canceling out yellow tones, which just happen to be opposite purple on the color wheel.
While the violet tones in purple shampoos can help bring blonde back to life, it does this by adding more toner; in effect, covering up the mineral coating on the hair cuticle. The more you shampoo with tone-correcting products, the more buildup you create — and the darker your blonde looks.
The purple shampoo can cause build up making the hair look dull and darker if overused." This makes the lightening process more difficult to create a seamless blend.
Purple shampoo works the same way to eliminate brassiness on brown hair as it does on blonde. It helps to prevent color fade, while emphasizing shine, keeping brown hair vibrant and rich. Using purple shampoo on brown hair regularly will take out any unwanted warm tones in your strands.
The reason for this change is because the amount of eumelanin in your hair increases as you mature, according to some research.
If you have blonde, silver or white hair that tends to get yellow, purple shampoo can be your new BFF. The shampoos traditionally have a blue or violet color, which neutralizes the yellow tones making the hair look clean and bright.
What Does Purple Shampoo Do? 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. After dying your hair blonde, your blonde hue may become brassy over time.
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.
Purple shampoo is the perfect product for anyone looking to maintain their vibrant, fresh from the salon, lightened hair for weeks. That said, purple shampoo on its own, isn't a lightener or hair dye. So it can't darken your hair or make it any lighter.
Unless you have white hair or gray hair, you shouldn't leave the purple shampoo on for longer than 15 minutes at a time. If you're already leaving the shampoo on for less than 15 minutes and you're noticing a purple tone, then try leaving the product on for even less time.
Let the shampoo sit on your hair for 2-3 minutes if you're a natural blonde or 15 minutes for brassy color-treated hair. For gray or platinum hair, wait 30 minutes.
“Purple shampoo does not lighten your hair but brightens it. Even if you do not have dyed hair, it will still keep your natural hair color fresh and prevent your hair from becoming too yellow,” Taylor explains.
Purple shampoo doesn't remove the yellow color but is designed to tone down the yellow in gray and white hair. It tones the color in your hair from warm tones (yellow) to cool (silver). Purple shampoo is only a temporary solution for yellows in your gray hair.
Technically, purple shampoo turns grey hair a slightly darker color than before you used it. However, because of the way color passes through the eyes, you won't notice a darkening effect.
“It's almost like a way to brighten the color to a cooler tone,” Harwood adds. “So, if the hair has a little bit of a yellow tone, a pigmented purple shampoo is going to neutralize that warmth.” Because of this, violet hued shampoo can also neutralize those yellow, brassy tones in more than just blonde hair.
If you use purple shampoo on your blonde, white, or silver hair, you'll be able to maintain a beautiful color without it fading too yellow. Only use purple shampoo about once a week. Make sure you have the right amount of purple shampoo and work it through your hair.
If you have highlights, a balayage, or an ombré of a lighter shade, such as blonde, platinum blonde, or any other light hair color, a purple shampoo can help maintain the highlights. UV exposure, frequent hair washing, hard water, and pollution can turn the hair color brassy.
Purple shampoo works to neutralise the brassy or orange tones in brown hair to cool the overall look so highlights pop. If you have brown tresses with a few highlights, you can definitely use purple shampoo to keep those lighter tones fresh.
Purple shampoo is the key to maintaining ash blonde hair. This is due to a little secret called color theory. Purple and yellow sit on opposite sides of the color wheel. This means violet hues counteract brassy tones.
Why do blondes not age well? Lighter features typically indicate a paler skin tone, which—as previously noted—is more prone to sun damage (the number-one risk factor for fast-tracked aging.) “Having less melanin in your skin may also predispose you to premature aging due to photodamage,” says Dr. Preminger.
a hairdresser told me once that blonde children who are going to turn more mousey usually darken by or around age 8.
'As we lose pigment in our hair, we also lose it in our skin' she explains. 'It's a gradual process, so our hair colour should reflect this. ' Basically, as your skin tone lightens with age, so should your hair colour.