The same way. All the root compounds do is help the process. I have also had luck with honey. As far as I know all that did was prevent an embolism though.
Best method: Cut the stem at a diagonal angle to increase the surface area for the roots to grow from. Stick that in a glass of water. When roots start appering, transplant it into your growing medium.
u dont have to use stimulators just cut at a good angle but in some water and put in the windoow if u want them to root faster u can use an inexpensive fish tank pump just run the hose in the cup with a small air stone on it it will help u alot