Cream chargers should not just for whipped cream; they can even be used to create espuma or foams

https://sgp1.vultrobjects.com/creamchargers/australia/uncategorized/simplify-your-cooking-process-with-massive-cream-chargers-today.html

Cream chargers aren't only for whipped cream; they can even be used to create espuma or foams, including a special twist to your dishes.