Most creases fall out on their own. Hang the jacket on a wide hanger in a room with normal humidity, give it three or four days, and the weight of the hide does the work. Anything faster carries risk, and heat carries the most.
Leather holds a fold because the fibres compress and set. Time and gentle tension release them, and force does not. This guide covers four methods in order of safety, which creases are worth removing at all, and what will permanently mark the surface.
Method One: Hang It and Wait
The method that works and the one nobody wants to hear. Use a broad wooden or padded hanger, never wire, in a wardrobe with space either side. Allow three to seven days depending on how deep the creases are and how long they have been there.
A bathroom after a shower helps. The ambient humidity relaxes the fibres without putting water on the surface. Hang the jacket in there while you shower, then move it back to the wardrobe. Two or three rounds handles most fold marks.
Creases from a few weeks in a suitcase lift completely. Creases from three years folded in a drawer may not.

Method Two: Add Weight
For stubborn lines in the body panels, lay the jacket flat on a clean surface, cover the creased area with a cotton sheet or pillowcase, and place something flat and heavy on top. Books work well.
Leave it overnight. Flat pressure combined with time works particularly well on horizontal fold lines.
Do not do this where hardware sits under the weighted area. A zip pull pressed into the lining for eight hours leaves a mark of its own.
Method Three: Low Steam, Carefully
A handheld garment steamer is the fastest safe method, and distance is what makes it safe. Hang the jacket, hold the steamer at least a foot away, and move it steadily across the creased area. You are warming and humidifying the air around the leather rather than wetting the leather itself.
Work in passes rather than lingering. When the panel feels slightly warm, stop and smooth the crease with your palm while it is still warm, then let it cool on the hanger.
Condition afterwards. Steam relaxes the fibres and takes a little surface oil with it, so a light conditioning locks in the result and stops the panel drying out.
Do not steam suede. The nap mats into a hard shiny patch that is considerably harder to fix than the crease was.
Method Four: Wear It
The oldest method and often the best. Body heat and movement do what steam does, more slowly and with no risk. Wear the jacket for a few days and the creases that matter work themselves out, while the ones that remain were going to become part of the jacket anyway.
That distinction is worth sitting with. A leather jacket develops fold lines at the elbows, across the back and at the front closure, and those are not damage. They are the shape of the person wearing it. Chasing them out removes the thing that makes an old jacket look better than a new one.
The creases worth removing are the flat, wrong angle ones from packing and storage. The ones that follow your body can stay.

What Will Permanently Mark the Surface
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Ironing leather directly. The finish melts and shines, and there is no way back from a shined patch
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A tumble dryer. Heat and tumbling set creases rather than removing them and dry the hide out
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A hair dryer on high. Concentrated heat on one spot stiffens the fibres locally, which is how a crease becomes a crack
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Folding it into a drawer. This is the cause rather than the cure
If ironing is genuinely unavoidable, the lining is the only safe surface, on the lowest setting, with a cotton cloth between. Our clothing care page sets out the safe routine for both leather and suede.

When a Crease Is Permanent
A fold line that has been in place for years, or one that appeared after the jacket got soaked and dried without conditioning, has usually set. Conditioner and time will soften its appearance and will not remove it.
A crease with a pale line running through it is the finish cracking rather than a crease at all. That is structural. A specialist can sometimes recolour it and nothing removes it.
The prevention is dull and it works. Hang the jacket on a wide hanger, never fold it, never store it in plastic, and condition it twice a year.

Common Questions About Creases in Leather
How do you get wrinkles out of a leather jacket?
Hang it on a wide hanger for several days in normal humidity. For stubborn creases, weight the area flat overnight or use a garment steamer held at least a foot away.
Can you iron a leather jacket?
Not directly. The finish shines permanently. If unavoidable, iron only the lining on the lowest setting with a cloth between.
Can you steam a leather jacket?
Yes, from at least a foot away, in passes, then condition afterwards. Never steam suede.
How long do creases take to fall out?
Three to seven days hanging for most. Creases set over years may not come out at all.
Will a leather jacket crease over time?
Yes, at the elbows, across the back and at the closure. That is normal wear and part of how a jacket takes your shape.
How do you stop a leather jacket creasing?
Hang it on a broad hanger with space either side, never fold it, never store it in plastic, and condition it twice a year.
Patience Beats Heat
Almost every permanent mark on a leather jacket was made by someone in a hurry. Hang it, give it a week, and only reach for steam if the crease is still there afterwards.
If a jacket has creased badly enough to be beyond saving, replacing it with something built to be worn hard is the better answer. The western leather jackets collection is where to start, and the Distressed Brown Cowboy Leather Jacket wears its creases as part of the finish.