Let the shampoo sit for two to five minutes depending on how brassy your hair is and how ashy you like your color, then rinse thoroughly. The difference between two minutes and four minutes with purple shampoo is a big one so keep an eye out. It may be helpful to set a timer so you don't go over.
The Dangers of Purple Shampoo: If you leave it on too long, it WILL make your blonde darker. We never suggest more than three minutes max, unless you dilute it with your daily shampoo. If you use it as you're only shampoo, your hair WILL dry out and become brittle.
You'll leave the shampoo on for 5-15 minutes before rinsing with cool water if your colored hair has been recently dyed or is discolored. If it's your first time trying purple shampoo, experiment with leaving it on for only 5-10 minutes before washing it out.
When using purple shampoo, it's generally best to apply it to wet hair. Here's why: Effectiveness: Purple shampoo is designed to neutralize brassy tones in blonde, gray, or highlighted hair. Applying it to wet hair allows the shampoo to lather and distribute evenly, maximizing its effectiveness.
Unless the shampoo is specifically designed to be used as a daily toner, applying purple shampoo every time you wash your hair is typically discouraged because it can begin to eliminate too much yellow from your 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.
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.
Ready to use your purple shampoo? Dispense into your palms, then rub your hands together before applying onto the hair. Massage in from root to tip, lathering the shampoo as you go. Focus on the areas that are particularly brassy to knock out those unwanted yellow tones.
So, does purple shampoo damage your hair? No, it's not inherently bad for your hair, but it is definitely ruining your color. "Color-treated blonde hair is super light and it shows dark stains easily. But when hair is chemically-lightened (“lifted”) it can be dehydrated and extremely porous.
The best way to use purple shampoo on gray hair
Some hair types are more porous than others, meaning that if you use a purple shampoo too often, you could end up with a slight purple hue to your hair. So, with that in mind, we would suggest using it once or twice a week and slowly building up from there if needs be.
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.
Level 2–3 is extremely dark brown, as level 1 is black. Level 9–10 is very pale blonde. Color does not lift color; only bleach can make your hair lighter.
How long to leave purple shampoo in for? This is dependent on what results you would like. For silver hair, leave it in for up to ten minutes, whereas if you are looking to neutralise the brassy or yellow tones, 2 to 3 minutes should be sufficient.
A professional in-salon toner is more pigmented than a silver shampoo or purple shampoo that is used at home. However, these products are excellent products to maintain a bright or cool colour between salon appointments.
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 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.
This might be the case for some people, but there's also the risk of more porous, damaged sections of the hair (the ends) absorbing more pigment than the newer hair towards the root. So, to avoid a patchy purple effect, use the Blonde Assure Color Toning Purple Shampoo as advised: on wet hair.
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.
Let the Shampoo Sit
Let the shampoo sit for two to five minutes depending on how brassy your hair is and how ashy you like your color, then rinse thoroughly. The difference between two minutes and four minutes with purple shampoo is a big one so keep an eye out. It may be helpful to set a timer so you don't go over.
Unlike normal shampoo, we recommend leaving purple shampoo on for up to 3 minutes before rinsing. However, if you're only after a gentle toning, a minute or so should do the job nicely.
Mixing a paste of baking soda and water can also help remove stubborn purple shampoo residue. Apply this paste to your hair, focusing on the areas with the most color buildup. Let it sit for about five minutes, then rinse thoroughly. Baking soda's mild abrasive properties help to scrub the color away gently.
Nexxus Blonde Assure Purple Shampoo is our favorite purple shampoo that we tested. Every time we used it, our hair looked noticeably brighter, and the shampoo effectively cleaned our scalp while leaving our hair nourished and moisturized.
Environmental Factors: Certain factors like exposure to the sun can cause black hair to lighten, taking on a red, copper, or even blonde hue. Natural oils produced by the scalp may also interact with the sun's ultraviolet radiation to alter hair color over time.