Cleaning leather in your car: how to do it and how to treat it properly

• March 19 2026
• by Radek Lövenhöfer
• 6 min reading time

Cleaning and impregnation of car leather

A leather interior looks great, but only until you stop taking care of it. Then it starts to grey, dry out, and over time, it can even crack.

The good news is that proper care isn't complicated. You just need to know how to clean leather correctly and what to treat it with afterward.

In this article, I'll show you a simple process + specific products that make sense.

Why leather care is important

Leather is a natural material that needs regular maintenance. Without it:

• it loses color

• dries out

• hardens

• can crack

👉 Regular cleaning and impregnation prolong its lifespan and keep the interior looking new.

How to clean car leather

The most important rule:

Use cleaners specifically designed for leather. Universal chemicals can damage it – that is, unless we're talking about eco-leather, which is in most modern cars – then you don't have to worry about that.

Recommended leather cleaners

• Koch Chemie Pol Star (now Koch Colourlock Pol Star)

• Nuke Guys Polsterreiniger

• Bad Boys Leather Cleaner

• Auto Finesse Hide Leather Cleanser

Note: Koch Chemie is now transitioning to the Koch Colourlock designation, so you may encounter both names.

Step-by-step cleaning process

1. Remove dust and dirt

Before you start cleaning, vacuum the interior or wipe the leather with a dry microfiber cloth.

👉 This will prevent scratching during cleaning.

2. Apply the cleaner

You have several options:

• spray onto a brush and clean

• use a microfiber applicator

• or apply to a cloth

👉 The best result comes from a combination of cleaner + soft leather brush.

3. Clean the surface

Work gently, without unnecessary pressure.
Focus mainly on:

• steering wheel

• seat bolsters

• armrests

👉 That's where most dirt tends to accumulate.

4. Wipe and dry

Finally, take a clean microfiber cloth and wipe off any remaining cleaner.

The surface should be:

• clean

• matte

• without a greasy film

When to use a stronger cleaner?

If the leather is heavily soiled (e.g., an older car), you can use a stronger cleaner.

👉 But always with caution – aggressive cleaning can dry out the leather.

Leather impregnation: why do it

Cleaning is not the end of it.

Impregnation (conditioner):

• hydrates the leather

• protects against UV radiation

• slows down wear and tear

• reduces the risk of cracking

👉 Without it, the leather won't last long.

Recommended impregnation products

• Koch Chemie Leather Star (now Koch Colourlock Leather Shield)

• Bad Boys Leather Conditioner Matt

• Auto Finesse Hide Leather Conditioner

👉 Again: Koch Chemie = now Koch Colourlock (you might encounter both names)

How to impregnate leather

1. The leather must be clean and dry

Never apply conditioner to a dirty or wet surface.

2. Apply a small amount of product

Use an applicator or microfiber cloth and work in sections:

• seat cushions

• backrests

• sides

3. Let it absorb

Let the product sit for a few minutes (sometimes more than an hour) according to the instructions of each impregnation.

4. Wipe off excess

Finally, lightly wipe off any remaining excess with a dry cloth.

👉 The result = a natural matte finish, no greasiness.

Most common mistakes

• too much water when cleaning

• aggressive chemicals

• skipping impregnation

• too much product → greasy surface

• applying too much pressure when cleaning

How often to clean and treat leather?

• cleaning → every 1–3 months

• impregnation → every 3–4 months

It depends on car usage.

Frequently Asked Questions

Can I use a universal cleaner?

It is not recommended. Leather needs special care.

Why is leather hard after cleaning?

Lack of impregnation or a strong cleaner was used.

Is impregnation necessary?

Yes. Without it, leather dries out and ages faster.

How do I know if leather needs care?

It is dry, dull, losing color, or feels harder to the touch.

Can I clean leather with a brush?

Yes, but use a soft brush designed for leather.

Recommended products can be found here

👉 (insert links to e-shop here)

• leather cleaners

• leather conditioners

• brushes and applicators

• microfiber cloths

Conclusion

Car leather care is not complicated, but it needs to be done regularly and correctly.

Just:

• clean

• treat

• and repeat

👉 This will keep your interior looking great for a long time and last much longer.

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