When it comes to saturation plugins, how you use them will depend heavily on the signal that you’re saturating.
If you’re using a plugin on an individual instrument or sound file, for example if I wanted to add distortion without increasing volume because of limitations with my speakers and headphones, then one can apply significant levels of saturation while still maintaining fidelity by keeping the amount set below 1% THD (total harmonic distortion) as this is where most people start hearing audible artifacts in their music when they have any kind of equipment good enough for serious listening.
However, be sure not overdo it! Saturation should always help give depth but never cover up what was there before.
Saturation by Softube is a small plugin that only has 2 functions. The first function is the main dial with which you can introduce more harmonic distortion and compression.
You’ll notice when using the plugin that it really increases the perceived loudness of your audio track or mix, allowing for levels to be increased without making them sound too processed like other plugins such as Maximizer would do so in comparison.
When finding this plug-in to work well on something, make sure there are no drastic changes in level from one part to another because Saturator will cause those parts not affected much at all while others become very intense sounding due to sudden changes being introduced into frequencies where they did not exist before!