C4 Permanent Trim Restorer

From: $34.95

Quick Overview
  • Up to 2 years durability
  • Restores trim to ‘as new’ condition
  • For use on all exterior trim
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Gtechniq USA
What Our Clients Say
5.00 store rating (29 reviews) | 5.00 product rating
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Description

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Product Description

Why Use C4 Permanent Trim Restorer?

Exposure to harmful UV rays, road grime, and routine car washes can dull your plastic trim, leaving it gray, faded, and brittle. That’s where C4 Permanent Trim Restorer steps in. Engineered with our advanced smart surface science, this trim restorer bonds to your vehicle’s exterior plastic surfaces at a molecular level—offering results that look better and last longer.


Unlike a typical trim dressing or black plastic restorer that leaves behind a greasy residue, C4 provides a natural finish with no oily buildup. Whether you’re restoring your rear bumper, door handles, or any vinyl surface, C4 works across a wide range of plastic surfaces, including textured rubber and exterior car trim. It’s the go-to product for any professional detailer or car enthusiast who wants long-term performance without constant reapplication.

Why Use C4 Permanent Trim Restorer?

Application Information

Simple Steps To Help You Get The Best Results

  • Make sure before you start you have enough product for all of your trim. For example, if you have a SUV (30ml) you would need more product than you would on a small sedan (15ml)
  • Work in a well-ventilated area, at a temperature above 5ºC (41ºF) on a cool surface out of direct sunlight. Wear the gloves provided.
  • Ensure the surface(s) you are going to coat are free from any contaminants. For best results clean trim with a neat solution of W5 Citrus All Purpose Cleaner, and if required use a medium stiff brush
  • Use the AP1 Lint-free Applicator supplied to spread the coating onto the surface of your trim. Soak the pad with several drops of product
  • Once you have spread the product over each piece of trim, gently wipe away residue immediately with an MF1 ZeroR Microfibre Buff Cloth. If your car has heavily textured trim take time to ensure all crevices are covered, and that all residue is also removed from them
  • Allow the coating to cure for 12 hours before exposing to the elements
  • Use within 3 months of opening
  • Store in a cool, dry place
SDS

Safety Data Sheets

  • Take a look at the Safety Data Sheet for C4
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Gtechniq Difference

At Gtechniq, we don’t just create detailing products—we engineer smarter surfaces through cutting-edge science. The C4 Permanent Trim Restorer is the result of years of research in nanochemistry and supramolecular chemistry. Every formula is lab-built and field-tested to meet and exceed real-world expectations.


This product doesn’t just temporarily restore your black plastic—it delivers superior performance for trim pieces exposed to the harshest environments. The result? Long-lasting protection, enhanced durability, and an appearance that holds up wash after wash. With C4, your trim stays bold and protected—just like it should be.

Gtechniq Difference

Frequently Asked Questions

What does a car trim restorer do?

A car trim restorer like C4 brings faded, chalky plastic trim back to life by restoring its original black color and protecting it from further UV and environmental damage.

Can I use this on all types of trim?

Yes—C4 is formulated to work on nearly all exterior plastic, vinyl, and rubber surfaces, including door handles, rear bumpers, and textured black plastic trim.

How long does the trim restorer last?

When applied correctly, C4 can provide up to two years of protection from UV rays, fading, and the elements—far outperforming most plastic restorer or trim dressing products.

Does C4 leave a greasy residue?

Not at all. Unlike traditional trim dressings, C4 dries to a natural finish without any greasy residue or unwanted shine. It enhances your car’s appearance without attracting dirt.

How do I apply C4 Permanent Trim Restorer?

Clean your plastic surfaces thoroughly and make sure they're dry. Apply the product to a microfiber applicator pad and spread it evenly across the trim piece. Allow it to cure in a well ventilated area, away from direct sunlight, and wipe off any excess with a clean cloth or microfiber towel.

What’s the recommended cure time?

Allow C4 to cure for 12 hours before exposing your trim to outdoor conditions for optimal results.

Additional information

Weight N/A
Dimensions N/A
Bottle Size

15ml, 30ml

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