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Why Does Leather Smell?

Whether it’s brand new truck seats, your latest pair of cowboy boots, or a new leather bag, most people have a preconceived idea of what leather should smell like. This smell has the tendency to send our imagination to a faraway place with rugged terrain, wild adventure, and wide open spaces. But what’s ironic about all of this is that the familiar smell that we have come to associate with leather may not actually be natural at all.

What I am about to reveal to you below may be quite shocking, so brace yourself.

The reality of the ‘leather’ smell common to most mass-produced leather goods you can find in department stores and cheap online marketplaces…just ain’t good for you or the environment.

unrolling leather hide

It’s important to note before we continue that I, Mr. Lentz, use a natural type of leather called Vegetable-Tanned. The leather is preserved in tanks using different tree barks and is much more expensive due to the natural process used to preserve the fibers.

This differs greatly from leather used by competing shops:

leather couch

When Leather Meets Chemicals

In fact, that typical smell that most are familiar with, is created when leather is treated with a lot of chemicals. Sadly, most of the leather we’re used to smelling in mass-market goods gets its scent from a harsh mix of chemicals that you’d run far away from if you knew what they were. According to the EPA, these are some of the most common tanning agents used in the world today:

  • Trivalent chromium
  • Alum
  • Syntans (man-made chemicals)
  • Formaldehyde
  • Glutaraldehyde

Not only are toxic ingredients like chromium salts used in chrome-tanned leather, but things like lignosulfate and specialty chemicals are also added to commercial leather products before finishing. The International School of Tanning Technology provides a list of 48 different chemicals that are commonly used in leather processing…48! The most notorious one of these chemicals is a type of chrome, which is known for putting certain tannery workers around the world at risk from exposure. Chome-tanned leather I should note is probably the most popular type of mass-market leather used in the world today. It is extremely cheap to manufacture, has an immediately soft feel, and unbeknownst to most consumers…also happens to wear out much more quickly.

An odor research study published in Chemical Senses reported that various smells presented were described as both leather-like and medicinal. That’s no coincidence. We’ve gotten so used to leather smelling like chemicals that it’s become hard to tell what pure leather should actually smells like. It’s time to get back to basics…

cowboy-disapproval

Natural Leather, the Mr. Lentz Way

As you should know by now, harsh chemicals and unnatural ingredients have no place in my workshop. That’s why I use natural tree bark tanned leather (Vegetable-Tanned) for all of my leather products. Full-grain Vegetable-Tanned leather from the top U.S. tannery is the best leather that money can buy because of its extreme density of fibers, strength, and natural preservation process. I have chosen to buy my leather from an extremely reputable U.S. tannery that conforms to strict U.S. standards developed by the EPA. The tannery is known for the best quality natural vegetable tanned leather in the world. Unlike other types of leathers that use chemical solutions to rush the natural process, vegetable tanned leather relaxes and softens into shape over time for maximum longevity. Basically you need to wear-in your wallet or bag over the first week or two to help the fibers stretch into shape.

handmade leather dye

From there, I only use natural dyes that I make right here in my workshop with pure and simple vegetable matter. As I’ve mentioned before, high-quality leather deserves high-quality care, which is where leather conditioning comes in. To soften things up, I only use leather conditioner made right here in my workshop that’s made with extra virgin olive oil and purified beeswax.

When I work in my shop, I don’t use gloves because I don’t have to. Natural ingredients are the key to staying in this business for the long-term.

spiff-n-shine

What Leather Should Smell Like

The end result of my eco-friendly method to dyeing and conditioning is a pure and natural leather that has a slightly different smell than the average leather you’ll find in those big-city stores. Thanks to the vegetable tanning, natural dyes, and chemical-free conditioning process, my leather smells rich, earthy, and slightly sweet. It’s not an overbearing smell or one that stinks up your whole house. Instead, it’s a subtle smell that will remind you of our great prairies, deserts and mountains. Pure, naturally treated leather should have a mild smell and be easy on the nose.

mountain lake view

I hope this helps you understand a bit about why leather smells and what different smells can tell you about a piece of leather’s quality and production process. When your next Mr. Lentz product arrives on your doorstep, take a big whiff, close your eyes, and let your imagination wander. This is the true smell of rugged terrain, wild adventure, and wide open spaces.

6 thoughts on “Why Does Leather Smell?

  1. Robert A. Pace says:

    I just hope you can tell me where I can buy a small amount of naturally tanned and dyed leather for a small project, some panels in the interior of a small, old British sports car. I’m looking internet, but confused. Bob

    • Mr. Lentz says:

      Hi Bob – certainly, if you are a hobbyist in need of a small piece I’d try Tandy Leather. It’s a decent source fo the beginner, otherwise try ebay. Good luck!

  2. Debra White says:

    Hi Mr. Lents,
    I just purchased a used leather couch, loveseat, chair and ottoman in excellent condition that I know to be at least 7 years old, (maybe more), the leather is in perfect condition. The tag underneath says “made in Italy” soft line brand. My issue is that it doesn’t have that “smell” I would associate with real leather. It doesn’t really have any smell. My question is, can leather lose that smell over a number of years? Thank you so much for your time!

    • Mr. Lentz says:

      Hi Debra – Since the ‘leather smell’ is usually from how the leather was tanned as well as the chemicals applied to it, I would assume that after a certain amount of time its ‘off-gassing’ will have slowed and you will not smell it as much. I would not use the smell alone to judge whether or not it is real leather because even vinyl and fake leathers can be made to have that ‘smell’ by applying chemicals. Some fake leathers can be hard to distinguish by sight…unfortunately you realize it after a few years and spots have work through or torn. Also – the origin of the item will not necessarily mean it is real leather. Fake or cheap stuff is produced the entire world over.

  3. Lyn says:

    I purchased a Dooney and Bourke florentine leather bag. It had a strong smell but not a fishy smell that I see most people complain of but I also don’t know if what I was smelling was a “chemical” smell either. It just didn’t have a typical leather smell. Can florentine leather vary in smells because I have another florentine bag from them and it actually smells like leather…nothing strong like this new one.

    • Mr. Lentz says:

      Hi Lyn, while I can’t comment on specific leather manufacturers – your best bet would be to call them up and ask what type of leather they use in their products, how they are tanned, and whether or not chemicals are used in the process. There are quite literally 100’s of leather types out there, all with different styles of tanning.

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