A REVIEW OF STEROIDS INJECTION FOR HAIR LOSS

First, try pulling the needle out 1/4-1/2 inch and after that try out aspirating again. If blood does not pour into the barrel after this 2nd try, then you have exited the blood vessel and therefore are safe to move forward. If blood does go on to enter the barrel, you are going to have to get rid of the needle and look for a new injection site. As