THERE'S NOTHING BETTER! SO AFFORDABLE! ABOUT $2.00 EVERY TIME I HIGHLIGHT!
I'm a natural level 7 ash blonde. I've used Kaleidocolors Blue for years in and out of the salon. Using a cap method, the gal who did my hair would use a 30 volume, process under heat for 10 minutes. No yellow and no need for a toner. When she moved to a new salon...and years later when caps really aren't used...she started foiling using 20 Volume. Even after 15 minutes my hair didn't turn out the color that I liked. When you use a cap for a whole head of highlights, the Kaleidocolors is put on at once. Foiling, which can take some time, you'd have areas processing faster than others which is why she only used 20 Volume. Although I'd prefer foiling, I really wasn't happy with the 20V and not happy about the $108.00 for highlights on short hair. Since I do have short hair, it's not really a problem pulling it through a cap and I do heavy highlights so it's not noticable like the old days when you'd get stripes.
I went to Sally Beauty Supply and picked up the Pure White in 30 Volume, a load of caps, and the Blue powder. It looks SOOOOO MUCH better even though I had to pull it through a cap, I prefer foiling but can't do my own and don't know how much it would process since I'm doing all over highlights if it took me an hour to foil. Kaleidocolors does require heat, I do have a dryer in my packout but for now I just put a plastic cap on and used a good old-fashioned blowdryer, 7 minutes and PERFECT! I haven't use any other tonal powder besides the blue.
Highly recommend to anyone doing highlights at home. The drugstore lightening kits are horrible on my hair, they trash it, leave it yellowy-orange. This does not, no red, no yellow, no orange, no damage. Price-wise...so affordable. It costs just under $2.00 to do my own. Love it!
Just a few notes...I did read a review on Sally's site stating it burned their scalp. This is an OFF THE SCALP bleach, it's not meant to be used in place of cream bleach, it's meant to be used for any off the scalp method. It does require heat, I've never used it without heat so not sure how it would process without it or if it turns out as well without heat. Use heat! I recommend just covering your head with a plastic cap and using a hairdryer if that's all you have. So worth it!

I love this stuff...use the neutral on my brown hair and highlights come out caramel...use 20v developer...can't beat the price, can't afford to go to the salon all the time to highlight my hair, so I use this and get the same results!!! Will always buy this...saves me lot's of $$$$$!!!

I like this stuff alot but beware it is very dusty. I use the blue w/ a 30 volume developer. Paint on my hair balayage style. Left on around 15 minutes. I suggest in the beginning try 10 minutes developing time. My hair even though dark blonde & gray is highly resistant to lifting, so I really should go more like a half hour. Anyway, resulting color is very nice and not at all brassy. The icing on the cake it is costs me like $2.00! For years I used box color (and I need two), and it was such a hassle. Highlighting is so much easier w/o all that needless packaging.
Check out balayage technique - see link below. It's very clear how it's done, but to really do it right someone else has to do it for you.
http://www.youtube.com/watch?v=i4LrEIfN9u4
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I have used the blue and nuetral version of this product. Both work very well. I must say though that the nuetral is wonderful to use on brunettes who want a real looking caramel highlight in their hair. I have blonde hair so for me the blue is a good option, but I use the nuetral on all of my brunette friends and we all love the results. The hair does not even need toning after using this. It looks like just a natural highlighted effect. Sometimes i will use a clear coat of ion shine so that it seals the hair and for added gloss, but other than that nothing else is needed. The timing is fast, but I leave it on for almost 30 mins. on some of my friends whose hair is harder to lift. One of my friends literally needs 10 mins. with this on and we are done - fast and looks great! Just natural caramel highlights.
As for the blue tone one which I have used on myself.... it works very well, but I have a hard time seeing the lift progess. Because of the color of the actual product (blue), it makes it difficult to see what level of yellow you have reached. Other than that, it is a good, solid product.

This review is for the "Neutral" shade. The only reason I picked this up was because my local store was out of my usual Loreal Superblanc. Lucky for me I decided to try this because now I will never use anything else. I only wish I had known about this sooner. I still cannot believe the results it gave. I was in a pinch and don't have $200 to spend at the salon right now so I touched up myself - used this shade over my medium auburn brown base- and hand painted where I wanted a glowy highlighted affect. The color it gave is a true carmel-like blonde. Not orange, not yellow, not copper or anything "fake" as I have gotten from time to time with straight up bleach. It smells nice, not like chemicals....something like fruit. Super easy to use - the usual mixing with 20 white cream developer. It worked quickly but not so quickly that I could not finish the job fast enough. My hair was nice and soft afterwards too, a plus! Highly recommend this!

I used this product with 20 vol developer (1 Tbps Kaleidoscope with 2 Tbsp developer) and did selected strands to foil. I have used a cap before, but this is the first time I tried foils. I have been growing out my dark blonde hair, which up until 6 months ago I had been bleaching platinum. Back then I used Clairol Second Nature in light golden brown to get it back close to my original color,(after using a box of reddish blonde to add some red back), and decided to try a few highlights for summer.
I am very pleased with the results. I have wavy hair, almost curly, and was able to highlight individual curls using the foils and Kaleidoscope lightener. The dozen curls I colored came out just as I wanted them, a light caramel blonde. I am happy to have a little color interest while I continue to baby my hair as I grow it out.
This is a very economical way to do highlights at home. The 8 oz size was on sale for $9.99 at Sally online, which will last for a long time. I only used a Tbsp this time and will use even less for touchups.