We love this product for our naturally dark brown hair.
For our very long hair, we need at least 2 boxes!
The result is what we expected: blue-black, intense dark-blue highlights that last, lots of shine.
There have been times, however, when itching of the scalp has occurred because the recommended application time has been exceeded (with no consequences). Similarly, if the product is left on too long, the lengths can become dry. But this applies to absolutely all hair colors! And even more so on hair that has already been colored.
Excellent bluish-black color. Easy to use.
Extremely dangerous for the scalp! Intense reaction 6 days after application. I'm currently taking cortisone. Liquid oozes all over my scalp and the burning and pain are unbearable. Beware of products containing PPD!
Super color retention
Very good quality
Stains for a very long time
Guest
Long-lasting color (starting to fade around 2-3 months), but much darker than shown. On hair that has never been dyed dark brown, the color turns black (contrary to what's marked on the box) with dark blue highlights in the sun. These highlights disappear within two weeks. Does not damage hair too much.
Super
Good
Magnifique