If the humidity in his enclosure is good, then he won’t have trouble shedding. Stuck shed can become dangerous and lead to health issues, so check your humidity first. Using glass tanks is one reason for this to happen, as these don’t allow much humidity at all. They need it roughly about 60 to 70%, unlike humans that keep it around 30%.
Products on the market don’t really do much in the way of aiding a good shed. You can try soaking them in lukewarm water for a few moments and gently rubbing the stuck shed with your finger tips, but don’t attempt to pull it off. When it’s dry, it can pull of scales as well and cause a wound.