Purple, or toning shampoo have come a long way. They are no longer the over-toning/over-drying product they used to be. Manufacturers have improved the shampoo to be much less drying and there are a variety of hues to choose from – pearly violet to deep amethyst – depending on the amount of brass you are battling.
What it is not – Purple shampoo is not the fix-all for every kind of brass-situation. If your problem is yellow – perfect! purple shampoo will work for you. If your problem is orange, copper or red – no amount of purple shampoo is going to neutralize that. Take a quick look at the color wheel below.
The indisputable law of all color
Purple is on the opposite side of yellow – so they cancel each other out. Blue is on the opposite side of orange. **** I know what you’re thinking – So, where do I get me some blue shampoo??? Here is the problem with that – To cover the orange, the blue would need to be pretty dark. So, if you have some brassy-orange hair at the scalp and lighter hair at the bottom, that blue shampoo is going to deposit too much color into your light ends. Now you have a new problem. (unless blue hair is the look you’re going for)
How to use it – Purple shampoo should not be used every time you wash your hair. If too much purple gets deposited, your hair will lose some of its reflective properties (it will look dull). Try using it “as needed”. Probably not very much when you first get your hair done. More often as the sun and product has striped the tone from your color.
If you notice a purple-y hue to your hair after just one use, try mixing it with your regular shampoo the next time.
If after you use it your hair still looks yellow, try leaving the suds on a couple minutes before rinsing.
If you are mixing your purple shampoo with your regular shampoo, and your ends are still soaking up the purple, try putting a little conditioner on your ends first.
My Favorite: L’Anza – Silver Brightening Shampoo (bonus – it’s sulphate-free)