There is a cream that your doctor can prescribe to help you to be able to retract your foreskin more easily, but that doesn't seem to be the problem. Sometimes your frenulum (if that truly is waht is keeping you from being able to retract) will grow in an akward way if you never retract your foreskin, later making retracting more difficult. You may want to visit your doctor for some detailed advice.

The is also a very minor procedure for frenulum brief. Small incisions made vertically to lenghten the frelumun. Stretching usually does not work. You can have your frelumun removed without circumcision aswell.