This is a lifesaver for keeping the helmet decent, especially if you're riding every day. What I like is that the foam cleans and freshens up the liner without you having to strip out all the padding every single time. You just spray it in, let it work, and it lifts the grime and gets rid of that stale sweat smell.
It doesn’t leave the inside damp for long or have a harsh chemical scent; it just leaves a light citrus aroma that’s actually nice when you pull the helmet back on. It’s a quick and easy way to keep things hygienic and feeling fresh between deep cleans.