This was my first time using Malibu C Un-Do-Goo Shampoo, CPR and Crystal Gel so I didn't know what to expect! I used Crystal Gel first, then Un-Do-Goo Shampoo, then CPR as instructed because I had a client with faded boxed red on her hair and wanted to go blonde, so I wanted to try to lift all that gunk off her hair to ensure lightening would go smooth. And it did! her hair felt better than it did before the treatments! It made her hair lift really fast and evenly! I'm so impressed! I will definitely be playing around with more Malibu C products in the future!