What is the best leak spray?

I'm curious to know, what would you consider to be the best leak spray on the market today? Are there any specific brands or formulations that stand out in terms of their effectiveness in sealing leaks, their durability, and their ease of application? Perhaps there are some that are more suitable for certain types of leaks or surfaces? I'm looking for a product that can provide a reliable and long-lasting solution to leaks in my home, so I'm eager to hear your recommendations.