Beginner roller skating
Loosen the Laces, Pull the Tongue Forward. That's It.
Three seconds when you take your skates off, and almost nobody does it. Loosen the laces and pull the tongue up and forward so air runs through the whole boot. A boot left closed dries from the outside and stays damp exactly where the smell lives. And get them out of the bag as soon as you're home - trapped moisture attacks leather and softens the glue holding the boot to the sole.
This is the shortest piece of skate care there is, and almost nobody does it. When you take your skates off: loosen the laces and pull the tongue up and forward. That is the whole instruction.
A boot left closed dries from the outside in. The outside is not the problem. The damp sits in the lining and the foam, which is exactly where the smell lives and exactly where air cannot reach unless you open the boot up and let it through.
The second half is about the bag. Get them out of it as soon as you are home, every time. Trapped moisture attacks leather and softens the glue holding the boot to the sole — a slow failure that gives no warning until something comes apart.
Nothing here needs a product or a routine. Three seconds at the door, and the two problems that cost people their skates never start.
Keep going: this is one section of the full Roller Skating for Beginners guide — sizing, gear, stopping, and where to skate, in one page.