開発者がQ&Aで消臭スプレーとともに効果について回答しています。
https://steamcommunity.com/app/518790/discussions/0/1630790987587098839/
Q: Does the scent eliminator lose effectiveness over time or does it stay the same over 30 minutes? I saw a dev using it more than every 30 min in stream.
A: Miro - Game Designer: It stays the same for 30 real-life mins, then you have to use a new one. I guess that if you saw somebody use it more frequently than that it was to be better safe than sorry! Are you sure it wasn’t a scent lure? As you may know, the scent eliminator is used on yourself, so its effect “follows” you, while the scent lure is used on the area, and attracts the animals in that specific spot. If we indeed happened to use a bit too many scent eliminators in our stream is because, well, we really don’t want to risk its effect to go away in a tense moment, and every time you use a new one, its effect renews.