Hair Journey Update

So I recently started back my hair journey. I have not had a relaxer since December. I have also changed my hairdresser and went to get my hair clarified. She has gorgeous hair by the way. Shockingly, she said I should stop using my wave Nouveau Moisturizing Finishing Lotion because it is making my ends limp and dull. Honestly, I noticed the change but I could not figure the problem out. My hair was mushy to the touch. She told me that I need to start using Dax in the black or green colour. I was like what? Hair oil is bad on a hair journey. She said I should trust  her. Sigh...let's see what happens