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Deep cleaning gel for tyres, rubber trim and exterior plastics

YumCars Undress Tyre & Rubber Cleaner

Yum Cars

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Sale price From £11.00
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Size: 500ml

YumCars Undress Tyre & Rubber Cleaner is a professional-grade tyre cleaner designed to deep clean tyre sidewalls, exterior plastics, rubber trims and engine bay components. Its thick gel formula clings to surfaces for maximum dwell time, breaking down old tyre dressings, grease, traffic film and ingrained road grime to create the perfect surface for fresh tyre dressings.

  • 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

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  • 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.
Simon Hole Simon HoleFounder, The Drivers HQ

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

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

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.

PerformanceBenefits

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

Best Paired With

Frequently Asked Questions

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

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

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

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

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

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

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

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

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

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

YUMCARS UK | Premium Detailing Products & Accessories

YUMCARS is a UK detailing brand created from hands-on experience within the professional detailing world. Founded by detailers who wanted products that genuinely improved the washing and maintenance process, the brand focuses on usability, safe chemistry, and practical performance. YUMCARS has built a strong following through educational content, real-world testing, and a straightforward approach to detailing without unnecessary gimmicks.

YUMCARS Products – Safe Washing, Protection & Maintenance

YUMCARS Products – Safe Washing, Protection & Maintenance

YUMCARS offers a carefully developed range of detailing products covering wash, decontamination, protection, and maintenance. The lineup includes shampoos, pre-washes, wheel cleaners, interior cleaners, quick detailers, ceramic maintenance sprays, snow foams, and accessories designed to work safely on modern paint systems and coatings.
The brand is particularly known for focusing on safe wash methods and reducing unnecessary marring during maintenance washes. Many YUMCARS products are formulated with lubrication, surface safety, and ease of rinsing in mind, making them popular with enthusiasts who prioritise careful vehicle maintenance and long-term paint preservation.

Community, Education & UK Availability

Community, Education & UK Availability

YUMCARS has grown through strong community engagement, educational detailing content, and a focus on helping users understand why products work rather than simply selling chemicals. The brand appeals to enthusiasts and professionals who appreciate methodical detailing processes and premium-quality formulations. We stock YUMCARS products in our Derby showroom and offer UK-wide delivery, giving detailers across the country access to one of the UK’s most recognisable modern detailing brands.

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