Remember your hair is always growing and the tips will speed it up you have to however retain the hair to see it. To do this you have to follow a hair regime.
Regardless of whether your hair is oily or dry, following a regime will slowly get rid of the conditions that cause your hair to be excessively oily or dry and normalize it to a healthy state.
You might read the list of oils and conditioners and wonder how it will help an oily scalp. Oil is overly produced when the scalp is dry from the harsh shampoos used. Once your regime is in swing, your scalp will return to a healthy state and will not need to over produce oil.