Schwarzkopf - Nordic Blonde, L1++ Ultimate Lightener

I used this to bleach my hair when transitioning from dark to hot pink.
I would have taken photos, but because the amount of red in my hair it came out orange.
Here is a close approximation to how it looked:

Not the bombshell blonde I imagined, but it was my own fault.

This product was easy to use, smelt terrible (like a bleach will), and didn't damage my hair.

And it let me achieve this:

<3

Price: 4/5 ($10.79 a box)
Scent: 0/5 (bleach)
Effectiveness: 4.5/5