This has been working well for me, I am ordering my 4th bottle and happy with the results, it’s very easy to use and like others have said there is no sticky residue or weird smell, I put it on and then after a couple minutes I run a brush through and leave it. I do use this twice a day about 10 minutes after I get out of the shower morning and night. Not sure if that makes a difference or not, it’s just how I do it. I am also older 58 so it’s kind of nice to be able to see results at this age, especially when I had pretty much just given up. It’s a definite recommendation from me! Thanks