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Blue vs Purple: Which Shampoo Is The One For You?

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Aug 122019
By Amy Lawrenson
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Unsure what the difference is between the two? Read on to find out how to get the best results...

We all want to keep our blonde hair bright, right? Whether you’re all-out platinum or brunette with blonde balayage, a blue or purple shampoo will keep those unwanted yellow or brassy tones at bay and your hair looking salon-fresh. But, before you head out and pick up a bottle of tinted hair cleanser, you need to know the difference between the two to get the best results. Ready to play with colour?

Why Does Blonde Hair Turn Brassy or Yellow?

More and more women are looking for colour-correcting shampoos because, it doesn’t matter how glorious your new blonde hair ‘do is looking when you leave the salon, pollution, sun and heat styling can all wreak havoc turning your once bright and beautiful blonde, brassy or yellow.

Brunettes turned blonde (be it all over, highlights or balayage) tend to suffer from the onset of brassy or orange tones, whereas blondes can turn yellow quicker than you can say “hello, sunshine!”.

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Blue Shampoo Vs Purple Shampoo: What’s the Difference?

To cool those warm tones down and put them firmly back in their place, you need to neutralise them with a tinted shampoo. But, whether you opt for blue shampoo or purple shampoo requires us to hark back to that colour wheel we learnt about in school.

Colours that sit directly opposite on the colour wheel cancel each other out—purple is opposite to yellow, which means a purple shampoo should be the go-to for blondes.

Whereas blue sits across from orange on that same wheel which means… you guessed it, blue shampoo is better for brunettes who want to cancel out those pesky orange hues.

Matrix offers So Silver Shampoo with a combination of blue, violet and green dyes to neutralise yellow tones creating a silvery hue that looks beautiful on women with blonde or grey strands. Yes, blue shampoo is great for grey hair too!

Brass Off Shampoo, on the other hand, contains a concentration of blue and violet tones that knock out the orange, which is ideal for brunettes-gone-blonde.


Pro Tip: You can even use So Silver or Brass Off Shampoo to revive coloured hair extensions!

If the warm tones have got out of control, there is the Brass Off Mask and the So Silver Triple Power Mask that pack a punch of concentrated dyes that make light work of pesky orange or yellow tones.

Condition, Condition, Condition!

Why? Because there is no point getting your colour on point if the condition of your hair is less than glossy! “To keep the dryness of lightened hair away, a conditioner especially for blonde hair like Total Results So Silver Conditioner or Total Results Brass Off for lightened brunettes will lock in essential lipids and smooth the hairs’ cuticles for super high shine!” says Terry Longden, Matrix’s Artistic Director for Colour. 

Will Blue or Purple Shampoos Stain My Hair?

Now, while blue and purple shampoos won’t lighten or darken the hair, only neutralise, there is a chance that your blonde strands could turn blue or purple. Do not panic! Simply re-wash your hair with a colourless shampoo and your blonde will be back to its bright best. This is why ensuring your hair is in the best condition is so important, if your strands are damaged they become porous which means they can soak up the pigment like a sponge. Get strategic! When using the Brass Off Mask or So Silver Triple Power Mask be sure to always apply it to the healthiest parts of the hair first, leave on for three minutes and then apply to any porous areas for one-two minutes before rinsing thoroughly.

Your 3-Step Neutralising Prescription

1) Use Brass Off or So Silver Shampoo once or twice a week, alternating with the dye-free Color Obsessed Shampoo between uses, followed by conditioner.

2) If your lightened hair is seriously damaged and keeps soaking up the blue or purple dyes or doesn’t look shiny and healthy, look to the Matrix Re-Bond range to strengthen your strands inside and out.

3) The Brass Off Mask or So Silver Triple Power Mask can be used once or twice a week to keep blonde looking its brightest best.

Now you know how to keep your blonde bright, why not check out all the products from our So Silver and Brass Off ranges!


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