Instant bath serum

The instant bath serum was made by Princess Bubblegum. The serum eliminates the user's need to shower by making the drinker extremely feverish, having the drinker sweat cleaning agents. Because Finn doesn't bathe, he was prompted to test it for Princess Bubblegum in "Too Young." It turned out to be incredibly spicy. Later in the episode, Princess Bubblegum made a second batch that was even spicier than the previous bottle that Finn used to help him prank the Earl of Lemongrab by trying to spice all of the Earl's food.

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Recurring	Apple pies • Apples • Baby Whoozlefut & the Wuttlebugs • Banana Guards' spears • Banana Man's rocket • Bananas • Ble • Blood • Bludgeons • The Boat • Boogers • Boy Stuff • Bug milk • Candy weapons (Candy cane shotguns • Licorice Lace Lassos) • Candy Zombie flesh • Card Wars • Cloud trawler • Cosmic gauntlets (The Gauntlet of the Hero) • Creepy Stuff • Crystal Gem Apple • Cuber's Spaceship • Currency • Demonic Wishing Eye • Ear Stuff • Electrode gun • Emerald Princess' crown • The Enchiridion/Farmworld Enchiridion • Finn Cakes • Finn's arms • Finn's crossbows • Finn's flute • Finn's hat • Finn's pack • Finn's phone • Finn's sweaters • Finn's swords (Scarlet • Root sword • Demon Blood Sword • Grass Sword • Finn Sword • Small sword) • Fionna and Cake • Fionna's swords • Flame King's crown • Flame Princess' jewel • Flesh • Force Field generators • Full of Beans • Gems of Power • Girl Stuff • Glob's helmet • Gold objects • Graybles • Gross Stuff • Guac • Hambo • Heat Signature • Holo technology • Holobooks • Holy water • Huntress Wizard's weaponry (Huntress Wizard's arrows) • Ice Cream • Ice King's computer • Ice King's crown • Ice King's diary • Ice King's instruments • Ice King's keys • Ice objects • Ice Queen's tiara • Jake's Favorite Cup • Jake's pack • Jake's phones • Jake's sword • Jermaine's Paintings (Mountain Painting) • Joshua's Hat • Knives (Throwing knives) • Kompy's Kastle • Lantern • Library books • Liquid pyrotechnics • Living drink cans • Lumpy Space cars • Lumpy Space Princess's phone • Magic fruit • Magic Globe • Marceline's amps • Marceline's instruments (Ax Bass) • Marceline's phone • Martian transporters • Mind Games • Minerva Bots • Moe's memory drive • Mushroom Bomb • Nightmare Juice • Nightosphere amulet • Nightosphere portal • Peashooter • Prince Gumball's Crown • Princess Bubblegum's crown • Princess Bubblegum's phone • Princess Bubblegum's rifle • Princess Bubblegum's rock t-shirt • Princess Bubblegum's technology • Prismo's Homemade Artisanal Pickles • Prismo's Hot Tub • Prismo's Remote • Pro Football 1861 • Radios • Runic code • Skateboards (BMO's skateboard) • Slime Princess' crown • Sound sword • Spaghetti • Super Porp • Tasers • Train • Universal translator devices • Video cameras (Surveillance cameras) • Viola

Season 1	Adventure Masters • Airships • Balbaflonic Laser • Battle Babe • Big Cup • Boomerang bottle • Bug Battle • Caturday Surprise • Conversation Parade • Crotch catapult • Crystal Eye • Cursed ring • Decorpsinator serum • Demon heart • Dueling Weapons • Finn and Jake's flamethrowers • Finn Bot • Finn's catapult • Finn's stilts • Fun tray • Ghost pouch • Gut Grinder's mace • Hero vision monitor • Imagination machine • Jake's bicycle • Lumps antidote • Magic Nails • Medicine Milk • Mellotoxin • Milk suit • Milk-filled carriage • Nothung • Obnoxygen • Paper Crane • Poots and Bladders • Power rings • Princess Bubblegum's Audio Device • Princess Bubblegum's Gauntlets • Shelf of Penitence • Skeleton Arm Keychain • Soy people • Spirit Limousine • Spray device • Steel Umbrella • Stone-skin potion • Wizard robes

Season 2	Anti-gravity tote chamber • Armor of Zeldron • Be A Ninja • Bomb • Bun Armor • Book of Royal Rules • Bubble creator • Choose Goose's Armor • Fake skeletons • Glasses of Nerdicon • "Hard evidence" • Honey energy drink • Love Kaboom • Lute suit • Magic wands (The Pods) • Metal Shoe • Mystic pods • Ninjas of the Ice: The Art of Fridjitzu • The Ooo Review • Paralyzing potion • Princess Bubblegum's earrings • Princess Plant • Prism-gram • Rod Of Niceness • Royal tarts • Scale model of the Candy Kingdom • Thimble • Upturnoverdrive • Walkman • Whistling book • Wish orbs • Wooden sword • Zeldron's Poem

Season 3	The Catuambivolcusorix/Fight King's sword • Cherry Blossom Wand • Cities • Cyclops tears • Dirt Dummy Jake • Dulcimer • Everything burrito • Fire Guitar • Fitties • Flakies • Freezing Potion A • Hitties • Ice armor • Ice King's tapes • Instant bath serum • Jake's baby blanket • Jake's hobo tent • Jake's puppets • Jake's Rainbow Shark Mug • Jam Jam's toy train • Jitties • Kitties • Knitties • Magic powder • Marceline's journal • Me-Mow's assassin gear • Medal • Mitties • Motocross game • Music box • Night vision x-ray goggles • Palm branches • Pearl pygmy skull • Pities • Prank machine • Princess Bubblegum's blimp • Rainicornicopia • Singing deer head • Softy Cheese • Spirit sparkles • Susan's raft • Teddy Bear Joke Book • Unfreezing Potion A • Witties • Zeezy Thingz • Zitties

Season 4	Animal-shaped chicken nuggets • Aura Visualizer • Bacon Pancakes • Ball Blam Burglerber • Bebe • Bestiarium Vocabulum • Candy helicopter • Catapult • Cut the Mustard • Finn's High Chair • Finn's digital tablet • Finn's stick fort • Flame Princess' scented candles • The Flaming Sword Of Grob Gob Glob Grod • Foiled Again • Gingerbread man movie • Glowing sword • Grob Gob Glob Grod's device • Heart monitor • Horse Fighting game • I Wrote a Book • Lamb relic • Leaf Princess • Medallion of Brogends • Perfect sandwich • Portender Defender • Princess Bubblegum's diary • Princess Bubblegum's electric piano • Princess Bubblegum's GPS monitor • Princess Bubblegum's heat lamp • Princess Bubblegum's sword • Princess Bubblegum's tent • Red balloon • Robo suits • Spirit hole plug • Tea Robot • Turtle Princess' rocket • Wand of Dispersement

Season 5	Airplanes Taking Off • Ax Guitar • Baby Ballet • Baby Eating Fox and the Babies • Baker's Shard • Basic Mortality • Beauty Beard • Bella Noche's summoning items • Billy's Bucket List • Billy's motorcycle • Blimby's "WHO GOTS DA ABC'S" • Buck Pudding's pickup truck • Candy seed container • Candy seeds • Cart Guy's cart • Cinnamon Bun's Dog • Clambulance • Cloud jar • Cold spell • Cursed Grassy Objects • Doctor Prince's bomb • Donuts Always Die • Dream Journal of a Boring Man, Vol. 12 • Dungeon Train loot (Battle moon • Battle planet • Flame cloak • Future Crystal • Lightning Sword) • Egyptian Cat Sarcophagus • Finn and Jake's signs • Fionna and Cake Omnibus • Giant emerald • Giant Poison Candy Aspirin • Giant syringe • Googoomamameter • Grape Juice Sword • Grassy Wizard's wand • Guillermo • Gunter's keyboard • Hot air balloons • Hot Daniel • Jake's most delicious sandwich • Junkyard mannequin • Kill Me a Candy • King of Ooo's Blimp • Laser rifle • Lemonhope's harp • Lemonsweets • Lemonsweets' room • Little People • Maja's Booby trap • Makeshift time machine • Magic carpet • Milk truck • Mom's Manual • Mouse Family's Alarm Clock • Nightlights • Nursery Rhymes Book • Phasical Sphere • Phasical Sphere gloves • Pillow Vendor's cart • The Pillownomicon • Pirate ship • Princess Bubblegum garbage dummy • Princess Bubblegum's amulet • Princess Bubblegum's walker • Quilton's blanket car • Regression Simulator • Signal watches • Simon's books (Mystic Rituals And Their Space Time Applications) • Simon's time portal generator • Sleeping Gate Bramble • Slime Swan Boats • Slime Tanks • Soul stone • Special occasion phone • Spoon of Prosperity • Sumo Scootz • Super Good Boys • The Tea Leaves • Thimble-like device • Throwing-and-catching disc • Tiffany's time bomb • Tiny pillows • Tomorrow's Newspaper • Totem Cairns • Unicycle bear toy • Wizard Bill's guitars • Yeeargh!

Season 6	1101 It • Adventure Boy • Battle Wars • Bee Marionette • Booboo Sousa • Book of Poisons • Breakfast Princess' car • Bryce's Poster • Candy Ray guns • Chips and Ice Cream puppets • Cloud shotgun • Crabapples • Cup Doll • Dimension disruptor • Edible Fire • Evergreen's palanquin • Eye Twinkles • Finn and Jake's Amplifier • Finn's Phone (The Pajama War) • Fried Chicken Doll • Gas grenade • Ghost vacuum • Golden Cactus • Gridface Princess' Force Field • Guardian Blood • Harpoon Launcher • Hey, Yo! Mayo? • Ice Cream Doll • Ice King's alarm clock • Joshua and Margaret's car • Joshua's booty • Karate Magazine • Macaroni salad • Magic Laser Pointers • Magic Man and Betty's machine • Margaret's crossbow • Martin's spaceship (Astral Plane) • Martin's spaceship (The Visitor) • Muffin Dolls • Nacho Doll • "Nihilism Funnies" • Ocarina • Orgalorg's wooden carvings • Pie Doll • Pillow Practice Dummy • Pizza Doll • Powerometer • Princess Bubblegum's rocket • Princess Bubblegum's spacecraft • Punch Party • Sleeping Fire Giants • Spaghetti Doll • Sushi Burgers • Taco Doll • Telescope helmets • Universal Token • Waffle Doll • Wizards' bus • Wizz Blizz

Season 7	Age of Grinders • AMO's doll • BMO's laser rifle • Bod-Rod • Butt Stuff • Calling All Curlys • Candy Scooter • Canyon's dowsing rod • Cloud Dance's phone • Decoy Ice King crowns • Experimental Weather Machine • Garlic bombs • Giant Egg • Gumbald's outside clock • Ice Finn's multiverse portal • King of Ooo's Mushroom • Magic flute • The Maid • Maybe Stuff • Mega-Stake • Moon Pearls • Peppermint Butler's Stakes Collection • Pilgrims of the Land • Pontoon boat • Princess Bubblegum idol • Princess Bubblegum's sofa • Private Stuff • Pumpkins • Puppet • Risco • S.S. Inquisitive • Sock Citizens of Dead Goat Gulch (Sock Bandits) • Special Sentient Sandwiches • Skull Stuff • Turtle Princess' handheld computer • Vampire Thingy

Season 8	Arcade games • Bangers • Be A Bird • BMO Cakes • Bob and Ethel Rainicorn's car • Book-on-Tape gum • Boomerangs • Breadstick wand • Coat hangers • Crystal Mergence of Destruction • Dino plush • Elemental power gauging device • Face-altering spray device • Fake Crystal Entity • Frieda's escape pod • Golden Shovel Award • Gray Alien Ship • H.M.S Sugar Spit • Hermit Eyes • Hover-cycles • The Legend of Dead Mountain • Macrame Owl • Magic Man's bus • Mirror shields • Pancake Parables: Classic Breakfast Fables • Patience St. Pim's boat • Tiny Manticore's flamethrower

Season 9	Bed cars • Big Baby Root Beer • BMO's Official Strategy Guide to Snake Eater • Boats in the Clouds • Bucket of Caramel • Candy Bar Card Game • Captain Tasty's Placemat • Cold Fart • Fancy Coffin • Füt Stüff • James's Tent • Lemonpink's carriage • Magic Fertilizer • Magic Key • Marceline's puppets • Mystic Soup • Other Fionna's tech • Potato-head curse antidote • Propeller beanie • Skyhooks • USB drive • What To Do When Your Best Friend Leaves

Season 10	Birthday Boyfighter • BMO and Ice King's valise • Bottle binoculars • Breakfast Porridge • The Cake • Crazy 4 Cuties • Danny's boat • Der Witz Und Seine Beziehung Zum Unter Bewussten • Device for the Dissolution of Invisible Shields • Dum Dum Juice • Earl G. • Elk's Heart • Finn's Vault • Food Perfume "Apple" • Giant toothbrushes • Green Knight's Axe • Gumbald's baseball caps • Gumbald's goblets • Gumbald's remote • Gunter's puppets • Healing Fungus • La Femme du la Mer • Love Bazooka • Mechanical horse • Megaphone • Memory drive rocket • Mr. Cream Puff's car • Night Sword • The Panzark • Peanut • Pickled Cheese • Power-siphoning belts • Sledgehammers • Techno-harpoon • Warren Ampersand's rocket • Yak-drawn cart

Distant Lands	Ancient book • Chalice • Cleansing spray • Dr. Caledonius' artifacts (Mistletoe scythe) • Elise's Motorcycle • Furnace Key • Giant Baster • Hugomats • Ice King's dream trap • Ichor • Kiss of Life • Magic candle • Magic Tricks & Fake Stage Illusions • Marceline's Imaginary friends (Lemmy) • Marceline's Motorcycle • Margaret's weaponry (Paper talismans) • Motorized hair trimmer • Ooobuuus • Princess Bubblegum's audio equipment • Spacecraft (BMO's space capsule) • Undertakers' Pipes • Welcome Bowl • Wiz Arts' trophies • Y5's boots

Fionna & Cake	Acorn-shaped vial • Ancient Artifacts • Baby Ice King's crown • Banana Guard carrier • BMO baby monitor • Bonnie's Stakes Collection • Bonnie's wristband • Cake plush • Candy Kingdom ambulance • Candy Queen's giant mixer • Candy Queen's hovercraft • Candy Queen's keyboard • Candy Queen's sword • Cell phones • Containment Cube • Containment Eggs • Copter-trikes • DNA-scanner wristband • Exploding knives • Fionna's alarm clock • Fionna's boots • Flying gondola • GMO • Hoverbikes (Astrid's hoverbike) • The Heart of the Forest's sap • Huntress Wizard seeds • Huntress Wizard's potions • Huntress' bow and arrows (Garlic arrows) • Ice Cream Queen's cart • Ice Scouts' swords • Knife Wizard's knife • Marshall Lee's van • Martin's jacket • Mle • Moon rockets • Pastrymenschen • Peppermint Butler's airplane • Peppermint Tank • Prismo's laptop • Queenie's tour bus • Scarab's Crystal Multitool • Shermy's sword • The Star's booby trap • Timmy plush • Tow truck • Train engine • Waffle dogs • Winter King's scientific equipment • Winter King's sword

Shorts	Audiocassette recorder • Death's mixtapes • Jake mud sculpture • Magic wand (The Wand) • Nanites • Pen scythe

Comic	Ancient Enchanted Oven • Bag of Holding • Blade of the Defender Ble cereal • Blood Drive • Fionna & Cake Meet Finn & Jake • Heated salt crystal • Super Guts Punch 3 • Time machine