Could I just put it in my hair and sleep on it to make it more effective? Zoe's answer: Leaving purple shampoo in your hair for longer than the recommended time is not always a good idea. The longer you leave it, the more pigments will be deposited on your hair and they could even stain it permanently.
If you leave purple shampoo on for too long, you may find yourself with a little lilac hue. This color is not permanent and is more likely to happen if you have very light blonde hair or if your hair is dry and damaged. To remove the purple hue, switch to regular shampoo for your next few washes.
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.
Warm Blondes: Leave in for 1-3 minutes before rinsing. Neutral Blondes: Leave for 3-5 minutes before rinsing. Cool Blondes: Wait 5-15 minutes before rinsing. Redken Color Extend Blondage color-depositing purple shampoo tones and strengthens to help keep your blonde brighter, healthier, softer and nourished.
It's really not advisable to leave any hair chemicals on your hair overnight. from my experience, leaving in purple shampoo for over an hour brought up a purple cast onto the hair that I had to was off with clarifying shampoo. purple shampoo will tone and get rid of the yellow tones.
DON'T use purple shampoo more than once a week
“You only need to use purple shampoo once a week to see a difference. Overuse of purple shampoo can sometimes over-eliminate tones and make the blonde appear visually darker, which isn't always the desired effect.”
It's a once weekly treatment that works to deeply nourish your strands and neutralize brassiness in just minutes. Apply to damp hair, then leave on for five minutes before rinsing out.To avoid over-toning, try not to use a purple hair mask more than once a week.
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.
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.
If your hair is on the yellowish, orange end of the spectrum, purple shampoo will fix it. Like blue shampoo, purple shampoo is another at-home option that's formulated to neutralize brassy yellow and orange tones in color-treated hair. It's primarily used to tone blonde (or lightened), color-treated hair.
The short answer: No! People have been trying this technique because your hair will absorb more of the purple pigment when it's dry.
How Long Do You Need To Leave Purple Shampoo In Your Hair? Be careful how long you leave it on with each use, as leaving it too long can cause changes to your hair's color. It only needs to be on for 5-10 minutes at most.
Too Much of a Good Thing: Purple Shampoo Left On Too Long
You can, in fact, over-tone your hair. Leaving purple shampoo in your hair for an hour or more can cause your hair to look dull and lifeless. To leave purple shampoo for more than 10 minutes is already too much.
Purple shampoo is a toning shampoo used for all shades of blonde hair to help preserve its color and keep locks looking healthy and vibrant. The shampoo essentially acts as a color-correcting toner for your hair without you ever having to step foot in a salon.
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. Rinse out the shampoo thoroughly with cool water and follow with your favorite conditioner. Use purple shampoo once a week to maintain your hair color.
Because it does not contain an ingredient that will chemically change the color of your hair, purple shampoo cannot truly lighten hair. If anything, purple shampoo may make your hair temporarily slightly darker.
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.
Purple shampoo is purple colored shampoo that distributes purple pigment to neutralize brassy, yellow tones. Purple is used because, if you take a look at the color wheel, it is the direct opposite color of yellow. This means purple and yellow cancels one another out.
If purple shampoo is left on too long or the hair is porous and damaged, the purple may tint the hair… The best solution to this is to shampoo your hair a couple of times with a low-end brand of shampoo, this time something with sulphate and parabens to strip the pigment from the hair more effectively.
How Often Should I Use Purple Shampoo? Keep in mind that purple shampoo does not replace your regular shampoo and should only be used once or twice a week. Doss warns that there is such a thing as too much purple.
OK, so what is the best way to use purple shampoo? Well, for starters, you want to apply it on completely wet hair. (Note: If you have especially dry or brittle ends, we'd also recommend putting a tiny amount of conditioner on just the tips to prevent them from absorbing too much pigment.)
Purple products contain varying amounts of indigo pigment that lightly dye and tone blonde hair purple, which on the color wheel is the opposite of brassy yellow-orange. The theory is simple and super effective, and just one purple shampoo treatment can completely change your hair's appearance.
DOES PURPLE SHAMPOO DAMAGE HAIR? The cool violet pigment in purple shampoo won't damage hair, but if you leave it on strands too long, those purple pigments will take their job a little too far and could turn tresses a purple-violet colour.
Others may be too weak, meaning they need 10 minutes or more to make a noticeable difference to brassy tones if they manage to do anything at all. However, we've created the 'Goldilocks' of purple shampoos; a product with just the right level of purple tones, which takes 3-5 minutes to work its magic on brassy strands.