Seriously, I highly recommend this. After dyeing my hair red brown, I've been using the ANAZE shampoo and it's great—the bottle lasts longer than you'd think, and the color really sticks around. Just be careful—if it splashes onto tiles or grout, it's hard to clean off... ( •́ ̯•̀ ) For me, though, this alone isn't quite enough, so I still do DIY coloring at home, too.