Generally, when most people (90%) use it until theyhave all the size they want (usually 4 weeks) and then they do a 3ml shot once a week for another 2 months, after the total of 3 months they keep all the gains. That is MOST people.
The more people use it the more varied results we see. The most extreme I have seen so far have been one guy put just over 4" on his arms in 4 weeks and then kept over 3" of it and the other extreme has been a guy that only put on 1/2" in 1 month. It seems to be a lot of individual variables at play and I am trying to work them out.
So far, I believe that the levels of tightness of the fascia to begin with, have to do with the amount of size one adds on
Syntherol. The reason why most people keep most gains after use while some don't - I am still trying to figure that one out.