Inflation kits with gloop are actually pretty useless. What does work (and almost permanently) are the sticky string type tyre repair kits. You will still need the compressor though. You also need to know how to use them. A pair of pliers is also useful to help pull offending metal nails out of the tyre before reaming and plugging.
https://www.amazon.co.uk/Slime-20464-Tyre-Plug-Kit/dp/B00C5TJ1MM