can you explain how to dilute the product?

don't dilute Merely use a small half cap full .........lots of soap

Is this safe to use on bmw's frozen paint? the paint is matted and was ceramic coated with g1 crystal laquer.

Yes. The clear on "frozen" finishes meet the same standards, and G Wash is recommended for use with their coatings.

Is this body shop safe ? Can I use this in fresh paint .. and are there any silicones in it

As far as I know it is since they are no abrasive in it however just to be sure you can contact a ceramic pro coating specialist, go on youtube or just google it. I use it because I had my car ceramic coated and it does not damage the coating. I would have to say it is safe to use after the paint is cured.

How much do you add to a foam cannon? My chemical guys Cannon has a line on the side but it seems like a ton of product.

Check your settings. There are also inserts to reduce the amount of water going through the cannon to make soap use efficient if you have too powerful of a pressure washer

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Gtechniq - W1 GWash - High Foam Content, Maximum Gloss Retention, Tough On Dirt and Grime, High Slickness Lubrication - Breaks Down Residue, Works Great in Foam Cannons (500 milliliters)

Gtechniq - W1 GWash - High Foam Content, Maximum Gloss Retention, Tough On Dirt and Grime, High Slickness Lubrication - Breaks Down Residue, Works Great in Foam Cannons (500 milliliters)

Product ID: 255258224

Details

Brand
Gtechniq
Item form
Liquid
Material features
Biodegradable
Scent
Unscented
Specific uses for product
Automotive

✨Max gloss retention & slick lubrication

🌿Biodegradable & pH neutral formula

🧼High foam content for deep clean

Description

✨ Elevate your car wash game — because your ride deserves the science of shine! 🚗

GLOSS GUARDIAN - Preserves and enhances your vehicle’s gloss by minimizing abrasion and locking in shine.
FOAM POWERHOUSE - Generates rich, high-foam suds that lift dirt without scratching, ensuring a showroom shine every wash.
NANO TECH CLEAN - Developed by molecular nanotech pioneers to chemically break down grime for a flawless finish.
EFFORTLESS APPLICATION - Dilutes easily for use with foam cannons or mitts, making premium car care simple and satisfying.
ECO FRIENDLY EXCELLENCE - Crafted with biodegradable, non-toxic ingredients that protect your car’s coatings and the planet alike.

Gtechniq W1 GWash is a 500ml high-foam car shampoo engineered with advanced molecular nanotechnology to break down dirt and grime while protecting paintwork and coatings. Its biodegradable, pH-neutral formula ensures eco-friendly cleaning that retains maximum gloss and lubrication, compatible with all Gtechniq coatings. Trusted globally for over 20 years, it delivers a crystal-clear, showroom-quality finish with every wash.

Reviews

User

Ottimo shampoo

Uno dei migliori shampoo per auto mai provato. Ben lubrificato, ottimo potere pulente, delicato verso cere e protezioni. Poca schiuma ma la lubrificazione è comunque ben presente. Utilizzato in diluizione 1:1000.

28.01.2021

User

Great choice!

I’m no car wash expert, but I could tell that using this on my car delivered a really safe and solid clean. It foamed really well, didn’t need a lot either! I picked this specifically for my car that has been treated with professionally applied ceramic coating to not damage the coating.

17.08.2026

User

Encantado con cómo quita la suciedad

Encantado con cómo quita la suciedad! Funcionó muy bien con el aplicador de shampoo que hace que salga en forma de espuma, e hizo que se despegará muy fácil la suciedad y los insectos pegados a la pintura

29.07.2026

User

Quality product - perfect for cars with paint protection, including ceramic coatings.

Great car wash foam. Perfect for cars that have ceramic a coating.

18.01.2026

User

Parfait

Super shampooing, je l’utilise avec la gamme complète et la même marque de céramique.

10.08.2026

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Asin	B00IOMMJT6
Department	All Ages/Unisex
Is Discontinued By Manufacturer	No
Item Model Number	W1 0.5
Manufacturer	Gtechniq
Product Dimensions	6.5 x 6.5 x 23.5 cm; 550 g

Gtechniq - W1 GWash - High Foam Content, Maximum Gloss Retention, Tough On Dirt and Grime, High Slickness Lubrication - Breaks Down Residue, Works Great in Foam Cannons (500 milliliters)

Details

Details

Description

Specifications

Reviews

Common Questions