Ask Your Stylist to Use a Toner
A toner will literally "tone down the hair" to hide the warm undertones. When you don't do this, your highlights may look too blonde if you're a brunette," she says. "Also, the toner helps blend the colors together and can be used to achieve your desired look."
To achieve a cool shade, you should use a blue shampoo over a warm hair base. What does blue shampoo do? Blue cancels out orange tones and gives you a cool base for further color applications.
Add Cool Tones: Cool tones counter-balance and reduce unwanted warmth. You can add cool tones by applying a toner or demi-permanent colour. If you want to reduce warmth without adding any depth, we recommend selecting a toner or demi-permanent colour which is lighter than the lightest colour level in your hair.
Blue toning formulas can help counteract orange tones in the hair. The reasoning goes back to basic color theory: Shades positioned opposite on the color wheel are complementary and effectively cancel each other out when combined.
Just as a purple shampoo neutralises brassy tones on blondes, using a blue shampoo on brown hair neutralises orange and red tones for brunettes.
If your hair is brown, you may need to bleach it more than once before you apply the grey dye. It's important you get your hair as light as possible before you attempt to turn it grey – this will help ensure a more even tone and vibrant, all-over colour.
The trick to getting rid of unwanted coolness on your strands. Add warmth. This can be done in a salon by adding a gloss or toner onto the hair. But if you're looking to solve your ashy issue at home, reach for a color-correcting treatment, like the Better Natured Color Refreshing Crème in Rose Gold.
Remove orange and yellow tones simply by applying two tablespoons of apple cider vinegar mixed with water, using a cotton ball. After 30 minutes, wash your hair with cool water.
Start by washing your hair with a strong clarifying product, such as clarifying shampoo, dandruff shampoo, baking soda, or dish soap. If you need a slightly more powerful solution, try removing the toner overnight with lemon juice.
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.
Rich, warm colors, like deep browns, reds, and even golden and honey blondes, will work best to complement your skin tone, while cooler shades, like an icy platinum blonde, may clash with your natural color palette and wash you out.
If you have lighter-colored hair, then purple toning shampoo is the one for you. Blue toning shampoo: If your hair has more orange undertones, you'll need a blue toning shampoo to keep brassiness at bay. Blue toner consists of blue pigments, which help to neutralize orange tones.
Use a purple or blue shampoo
Pick your toning shampoo based on the original colour of your hair before you applied the bleach. Blue and purple shampoos neutralise unwanted brassy tones to reveal a cooler blonde or light brown shade.
Baking Soda
Simply grab 1-2 tablespoons (depending on the amount of hair you have) and start massaging into your hair. Leave this in for a minute or two and rinse. As baking soda has brightening qualities, this will help to strip the toner and gradually bring back golden tones.
Toning to balance out the warm tones
You can also use toners to correct the color and balance out the warm tones. By looking at color theory and choosing the opposite color of your hair in the color wheel, such as purple or blue shades, you can neutralize the yellow and orange.
Clarifying shampoos are also called detoxifying shampoos and they do exactly what they sound like. They strip off the toner in your hair and reduce the ashy tones. With regular use of a clarifying shampoo, you will see a difference. Your hair will be much warmer and you will feel the ashy tones melt away.
“There are many ways that you can transition your hair [to gray],” says Whitney, “including having your hair dyed to match your roots, adding lowlights or highlights to help with the line of demarcation [i.e., the line where your pigment meets the grays], cutting your hair short or simply letting your natural hair ...
Pick a lighter hair colour
A lighter colour will then look better. Your hair follicles produce less pigment as you're turning older. If there's no more pigment being produced in the hair follicles, your hair turns pigmentless.
Silver toner for brown hair? Why not. You could use a silver toner on brown hair to remove any yellow tones, or to refresh the cool tones (for example on ash brown or cool cocoa shades). Dark silver hair toner should be used on dark shades, not light blondes.
White Vinegar
After shampooing your hair, saturate your hair completely in this rinse making sure to avoid the eyes. Leave the rinse in your hair for about 15 to 30 minutes and then rinse your hair. The acidic property of the white vinegar will strip away the blue tint in your hair.
If you're trying to neutralize or tone out a shade, use the one directly opposite on the color wheel! In this case, pink and red tones will tone green. Pink Toning Conditioner is a red-leaning pink designed to take care of green and even teal tints!
Make a paste with baking soda
Mix equal parts of baking soda and water to create a paste. Apply it to your hair, gently massaging it in. This method works wonders for semi-permanent dyes and is less aggressive compared to chemical removers. After application, rinse thoroughly with cool water.