So it's typically best to leave the shampoo on for about 3 to 5 minutes. However, this will depend on your strand test or the instructions of the specific product you're using. Remember not to leave the purple shampoo on gray hair for longer than 10 to 15 minutes to prevent your strands from turning purple.
There's no need to panic though! Using a purple shampoo on grey hair can help to remove brassy yellow shades, leaving you with a flattering silver undertone.
If you leave purple shampoo on too long, it can make your lighter gray hair take on a gunmetal gray appearance. If this happens, no worries as it will fade in a short while.
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.
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.
Our purple shampoo is designed to be used as a daily shampoo until your desired color is achieved. Once you've reached your perfect blonde color, alternate between purple shampoo and your regular shampoo.
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.
The takeaway. Yes, gray hair can turn brassy and dull—but a purple shampoo can easily brighten up the silver strands. If you're looking for ways to enhance your platinum locks, Brown would consider this one of her top tips.
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.
Ellis says the Shu Uemura Yubi Blonde Anti-Brass Purple Shampoo is one of his favorite recommendations for gray hair types because it's a luxurious formula that instantly neutralizes brassy tones.
Apply shampoo to dry hair before washing. Processed for 10-15 minutes, sometimes longer (depending on shampoo brand, hair type and desired result). Rinse well and wash your hair as usual and use a conditioner and/or mask.
Gray hair tends to be more dry, so sealing in moisture is a crucial first step. Don't over shampoo, as this strips the hair of natural oils from the scalp that moisturize your locks. Shampooing your hair 1-3 times per week should be perfect.
Gray or white hair, which contains little or no pigment, sometimes gets yellow because it picks up pigments from the environment; for example, if you use a yellowish shampoo or conditioner, rather than a clear one, a trace of the color might be deposited on your hair.
The main difference you'll notice when you start to get grey hair is the texture, as oil glands start to produce less sebum. This causes strands to become coarse, dry and rough in texture, which make hair appear dull and lifeless.
A deep conditioning hair mask once or twice a week will bathe your hair in softness and moisture. A few drops of argan oil can help with shine while also adding a little weight and control to wiry strands. A leave-in conditioner will help tame gray flyaways and make wiry gray hair feel softer.
Ward off fading by shampooing only every couple of days. The more you shampoo, the faster your silver hair is going to fade. On days between washes, use dry shampoo to refresh your hair and give you a boost of volume. When you do shampoo, make sure you use a color-safe formula.
“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.” Harwood also adds that purple shampoo can be mixed with regular shampoo to add some of the violet pigment into a regular hair cleansing routine without any risk of going overboard.
If you waited 72 hours before washing your hair after it was bleached, you could use the purple shampoo the next time you shower. If it hasn't been up to 72 hours, shy away from the purple shampoo until your next wash day, so it doesn't potentially ruin your hair tone.
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. The amount of shampoo that you use will vary depending on your choice of product and how brassy your hair is looking.