I’ll admit that putting petroleum jelly on a door sounds like one of those strange household tricks invented purely to make people click. Vaseline belongs in the bathroom cabinet, not beside the screwdriver and door hinges—or so I thought.
But petroleum jelly has properties that make it surprisingly useful around certain parts of a door. It is thick, water-resistant, slippery, and stays in place much longer than water-based products. Used in tiny amounts and in the right places, it can solve several annoying little household problems.
And no, you certainly don’t need to be rich to try it.
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1. Quiet a Squeaky Door Hinge
This is probably the most immediately useful trick.
When a door begins squeaking every time it opens, friction between the moving metal parts of the hinge is often responsible. A tiny quantity of petroleum jelly can provide temporary lubrication.
Put a very small amount around the hinge pin and work the door backward and forward several times. The movement helps distribute it through the contact area.
The difference can sometimes be immediate: that irritating squeak becomes much quieter.
Petroleum jelly isn’t necessarily the best long-term lubricant for every hinge—a purpose-made lubricant is generally better for ongoing maintenance—but it’s remarkably handy when that’s what you already have in the house.
2. Help a Sticky Door Latch Move More Smoothly
Sometimes the door itself opens perfectly, but the latch feels stiff.
A tiny smear of petroleum jelly applied to the moving metal latch surface can reduce friction. Press the latch several times afterward to distribute it.
The important word is tiny. You don’t want petroleum jelly packed inside the lock mechanism or coating everything around it.
Just a thin film on the appropriate moving contact surface is enough.
3. Reduce Friction Where Metal Parts Meet
Look carefully at an older door and you’ll often find little areas where metal repeatedly rubs against metal.
That repeated contact can produce noise and resistance.
Petroleum jelly creates a thin barrier between surfaces, which is why people have used it for countless household jobs far beyond skincare.
A cotton swab works particularly well here because it prevents you from applying far too much.
4. Protect Certain Metal Surfaces From Moisture
Petroleum jelly is highly water-repellent.
A very thin coating can therefore provide a temporary moisture barrier on some exposed metal hardware. This can be useful on small areas that occasionally encounter humidity or condensation.
The surface should first be clean and completely dry.
Again, don’t cover the entire door in Vaseline. We’re talking about a nearly invisible film on appropriate metal components.
5. Make Hinge Pins Easier to Remove Later
Here’s a clever one if you’re taking a door down temporarily.
When reinstalling a removable hinge pin, a very thin layer of petroleum jelly on the pin can reduce friction and potentially make future removal easier.
Push the pin back into position and wipe away anything that squeezes out.
It’s the sort of tiny maintenance detail you forget about—until the next time you need to remove that door.
6. Stop Minor Metal-on-Metal Noises
Not every annoying door sound is technically a squeaky hinge.
Sometimes a latch, hinge component, or another metal contact point makes a small clicking or rubbing sound as the door moves.
Finding the exact contact point and applying the smallest possible amount of petroleum jelly can sometimes eliminate it.
Open and close the door several times afterward. If the sound disappears, you’ve found your culprit.
7. The Trick Is Using Less Than You Think
This is the part that makes the difference.
You do not need a spoonful.
For most of these tricks, take an amount roughly the size of a grain of rice on a cotton swab. Apply it directly to the friction point, move the mechanism several times, and wipe away the excess.
Too much petroleum jelly simply attracts dust and creates a greasy mess.
Where I Wouldn’t Put It
I wouldn’t smear Vaseline across painted door panels, unfinished or porous wood, rubber weather seals, or inside a key cylinder. Petroleum jelly can leave greasy marks on porous surfaces, and locks are better maintained with products specifically intended for their mechanisms.
Think hinge and appropriate metal contact points, rather than literally covering “the door.”
The 30-Second Door Trick
If I had a squeaky interior door right now, this is exactly what I’d do.
I’d take a cotton swab, pick up a tiny amount of petroleum jelly, rub it around the hinge pin where the moving pieces meet, then open and close the door about ten times.
Finally, I’d wipe away everything visible.
That’s it.
No expensive equipment, no dismantling the entire door, and no mysterious secret known only by wealthy homeowners.
The viral headline makes it sound extravagant, but the reason the trick works is wonderfully ordinary: petroleum jelly creates a slippery, water-resistant barrier that can temporarily reduce friction between certain moving metal surfaces.
Sometimes the strangest-looking household tricks have the simplest explanation.
If you’re looking for more surprising tips, why not learn about the 7 amazing benefits of clove and rosemary tea or discover a Russian drink that puts expensive capsules to shame? You might even want to hear an ex-McDonald’s employee’s warning about certain meat orders.
