Colour Experte Have You Ever Used L'oreal Couleur Experte Hair Dye..the One With Highlight Want You Add Yourself?

Have you ever used L'oreal Couleur Experte Hair dye..the one with highlight want you add yourself? - colour experte

I speak of this product .. inparticular
http://www.loreal-paris.co.uk/hair-colou ...

They are good, and how difficult it is to apply? I have short hair, long 2-3 cm.

Thank you.