Change your preferences here.
The wielder cannot be poisoned. If the wielder is poisoned, it is instantly cured of poison.
Only two fully evolved Pokemon have Immunity: Zangoose and Snorlax. Zangoose has access to the arguably better Toxic Boost, and most of the time Snorlax will prefer having the added resistances granted by Thick Fat. It should be noted that Snorlax can Rest the eventual poison status away, even though Rest is slightly more risky to use now thanks to the new sleep mechanics.
Found in Dream World