YumCars Undress Tyre & Rubber Cleaner

Deep cleaning gel for tyres, rubber trim and exterior plastics

YumCars Undress Tyre & Rubber Cleaner

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£11.00

In stock

Size 500ml

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YumCars Undress Tyre & Rubber Cleaner YumCars Undress Tyre & Rubber Cleaner £11.00

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YumCars Undress is a thick gel tyre and rubber cleaner for anyone who wants to properly prep tyres before dressing.

  • Removes old tyre dressings
  • Deep cleans tyre sidewalls
  • Breaks down grease and grime
  • Improves dressing durability
  • Restores clean natural rubber
  • Clings for better dwell time
  • Works on exterior plastics
  • Prepares surfaces for dressing
Read the full description

Full Description

YumCars Undress is a thick gel tyre and rubber cleaner for anyone who wants to properly prep tyres before dressing.

The thick gel clings to the tyre and penetrates deep into the tyre wall, releasing built up dirt, grease and contaminants without drying out the rubber, used neat and best paired with the YumCars Tyre Brush before applying a dressing such as Yum Dress.

Key features:

  • Thick gel, deep penetrating formula
  • Cleans without drying out rubber
  • Used neat, not diluted
  • Prepares tyres before dressing

More in Tyre Cleaners and from Yum Cars.

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Key features

  • Tyre Deep Cleaner
  • Ready To Use Gel
  • Rubber Safe Formula
  • Use Neat Formula
  • Engine Bay Friendly

The Drivers HQ

Expert Notes

YumCars Undress is designed to solve one of the biggest reasons tyre dressings fail early, poor surface preparation. Tyre rubber is porous and quickly holds onto old dressings, road grime, oils, traffic film and greasy residue, so applying a fresh dressing over the top often leads to patchy finish, sling and reduced durability. Undress uses a ready-to-use gel formula that clings to the sidewall, giving the cleaning agents more time to penetrate and lift contamination from the rubber. It is especially useful before applying YumCars Dress because it creates a clean, uniform surface that allows the dressing to bond more evenly. It can also be used on exterior plastics, rubber trims, wheel arch liners and engine bay plastics where old dressing, grime and greasy residue need controlled agitation and thorough rinsing.

Perfect For / Suitable Surfaces

  • Tyre sidewalls
  • Exterior rubber trims
  • Rubber mouldings
  • Engine bay plastics
  • Exterior textured plastics
  • Plastic engine covers
  • Scuttle panels
  • Plastic grilles
  • Tyre lettering

Caution: Avoid delicate interior materials, leather, suede, Alcantara, screens, polished metals, bare aluminium and hot engine components. Rinse thoroughly after cleaning and allow tyres to dry before applying dressing.

Technical Specifications

Product Type
Tyre And Rubber Cleaner
Formula Type
Ready To Use Gel
Dilution
Use Neat
Application Method
Spray, Dwell, Agitate And Rinse
Primary Use
Tyre Sidewall Deep Cleaning
Secondary Use
Exterior Plastics, Rubber Trim And Engine Bay Plastics
Cleaning Action
Degreasing And Dressing Removal
Contamination Type
Old Dressings, Grease, Road Grime And Traffic Film
Surface Preparation
Pre-Dressing Cleaning
Rubber Safe
Yes When Used As Directed
Exterior Plastic Safe
Yes
Engine Bay Use
Yes On Suitable Cool Plastics
Recommended Brush
Dedicated Tyre Or Detailing Brush
Follow-Up Product
YumCars Dress
Professional Use
Yes
Maintenance Use
Every Wash Or Before Dressing

How To Use

Tyre sidewall cleaning

  1. Make sure the tyre is cool before application.
  2. Rinse the tyre to remove loose dirt and grit.
  3. Spray Undress generously onto the tyre sidewall.
  4. Allow a short dwell time for the gel to penetrate contamination.
  5. Agitate thoroughly using a dedicated tyre brush.
  6. Work around the full tyre sidewall.
  7. Rinse thoroughly with clean water or a pressure washer.
  8. Repeat the process if brown residue or dirty foam remains.
  9. Allow the tyre to dry fully before applying dressing.

Exterior plastic and rubber trim cleaning

  1. Make sure the trim is cool and suitable for cleaning.
  2. Spray Undress directly onto the plastic or rubber surface.
  3. Allow a short dwell time without letting the product dry.
  4. Agitate using a suitable detailing brush.
  5. Work carefully around textured areas and edges.
  6. Rinse thoroughly with clean water.
  7. Dry the surface before applying a trim dressing or protectant.

Top Tip: Repeat the cleaning process until the foam stays much cleaner, as this shows old dressing and ingrained contamination have been properly removed from the tyre rubber.

Performance Benefits

  • Removes old tyre dressings
  • Deep cleans tyre sidewalls
  • Restores clean natural rubber
  • Clings for better dwell time

Frequently Asked Questions

Can YumCars Undress be diluted?

No, Undress is designed to be used neat. Diluting it will reduce its tyre cleaning and dressing removal performance.

Can I use Undress every wash?

Yes, it can be used regularly to keep tyre sidewalls clean and help fresh dressing bond properly.

Can Undress remove old tyre dressing?

Yes, it is specifically designed to break down old tyre dressings, grease, oils and ingrained road grime.

Can I use Undress on exterior plastics?

Yes, it can be used on suitable exterior plastics, rubber trims, wheel arch plastics and engine bay plastics.

Will Undress dry out tyres?

No, it is formulated to deep clean rubber without excessively drying it out when used as directed and rinsed properly.

Why should I clean tyres before dressing them?

Clean rubber allows tyre dressing to bond more evenly, last longer and create a more consistent finish.

How do I know when my tyres are clean?

Repeat cleaning until the foam or rinse water remains much cleaner and the sidewall no longer releases brown residue.

Can Undress be used in engine bays?

Yes, it can be used on suitable cool engine bay plastics, but avoid sensitive electrical components and rinse or wipe carefully.

Do I need a tyre brush with Undress?

Yes, agitation with a dedicated tyre brush helps lift contamination from the pores of the rubber for the best result.

What should I apply after Undress?

Once the tyre or trim is clean and dry, apply YumCars Dress or a suitable tyre and trim dressing.

HQ Suggests Tips & Insights

  1. Use Undress before every fresh tyre dressing application.
  2. Pair with a dedicated tyre brush for maximum cleaning performance.
  3. Clean tyres until the foam stays noticeably cleaner.
  4. Use separate brushes for tyres, wheels and paintwork.
  5. Rinse thoroughly so cleaner residue does not affect the dressing.
  6. Allow tyres to dry fully before applying dressing.
  7. Use on textured exterior plastics before trim dressing.
  8. Avoid letting the gel dry on rubber or plastics.
  9. Follow with YumCars Dress for a rich factory-fresh finis

The Brand

Yum Cars

YUMCARS (Yum Cars) is a UK car care brand started by Nick and Kelly, who met while serving in the British Army. After years of planning and saving, they took their first unit in Mansfield, Nottinghamshire, on 14 March 2018, grew to four units and dealers around the world, and in 2022 moved the main operation to Dinnington in South Yorkshire, where they also run a walk-in store. Their aim is a range that is not held back by a price point: highly concentrated liquids and well-made accessories, explained on the YUMCARS YouTube channel.

At The Drivers HQ we stock Yum Cars online with UK delivery and in our Ilkeston shop. Our customers' favourites are Yum Wash shampoo, Yum Citrus Pre-Wash, Yum Wheels and Yum Ceramic spray sealant.

Shop all Yum Cars
Yum Foam, Dress v2 and Reset 500ml bottles on a black display plinth

Yum Cars products by job

Pre-wash. Yum Foam is a pH 7 high-foaming pre-wash that will not strip wax, sealants or ceramic coatings, is safe on paint, vinyl and glass, and rinses clean without extra passes. Yum Citrus Pre-Wash is the stronger option for traffic dirt, grease and bugs, and also cleans door shuts, engine bays and panel gaps. Use it neat or 1:1 on heavy dirt, 1:5 to 1:10 for general maintenance or 1:20 on a well-kept car, keep it out of strong sun, and do not use it on wrapped cars.

Wash. Yum Wash is a thick, strawberry-scented pH 7 shampoo, safe on paint, glass and vinyl wraps without stripping wax or sealant: 100ml in a half-filled bucket, topped up with the pressure washer, or 100 to 150ml in a foam cannon. Yum Reset is a 3-in-1 acidic shampoo that breaks down water spots, limescale and traffic film. It also removes waxes and sealants near the end of their life and unclogs ceramic coatings, so it suits a reset wash before polishing or fresh protection rather than every wash.

Wheels and tyres. Yum Wheels is a non-acidic, pH-neutral wheel cleaner and iron fallout remover in one thick gel, safe on most painted, polished, powder-coated, clear-coated and chrome wheels, and it changes colour in under a minute. Rinse the wheels first and rinse again after use. Yum Wheel Foam is the foaming wheel cleaner, Undress cleans tyres and rubber, and Dress V2 dresses rubber and trim.

Protection and gloss. Yum Ceramic is a water-based spray sealant with ceramic resins and polymers. Use two towels, one to spread and one to remove the residue, or dilute it 1:1 and mist it over the wet car after the final rinse as a protective drying aid. It also tops up an existing coating, wax or sealant. Yum Foam+ adds a ceramic foam sealant through the lance, and Yum Detailer is the high-gloss quick detailer and drying aid between washes.

Glass and interior. Yum Glass cleans interior and exterior glass, and Yum Interior is the interior cleaner for the cabin.

Shop Yum Cars by type: car shampoo, snow foam, citrus pre-wash, wheel cleaners, paint sealants and quick detailers.

Yum Dress v2 bottle beside a car sill being dressed with a foam applicator

Yum Wash or Yum Reset?

Both are Yum Cars contact shampoos, but they do opposite jobs.

  • Yum Wash is pH 7. It is the weekly maintenance shampoo: slick and foamy, safe on wraps, and it leaves wax, sealants and coatings in place.
  • Yum Reset is acidic. It removes water spots, limescale and traffic film, strips waxes and sealants that are near the end of their life, and unclogs a ceramic coating so it beads again.

Wash with Yum Wash every week, and reach for Yum Reset when water spots build up, the beading has faded, or you are about to polish the car or apply fresh protection. After a reset wash, Yum Cars recommends applying the most durable product first: Yum Ceramic, then Yum Wax, then Yum Detailer, leaving about 12 hours between Yum Ceramic and Yum Wax if you can. On a perfectly prepared car, Yum Cars rates Yum Ceramic at upwards of six months.

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