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Every order ships free with tracking. Dispatch is usually within 1–2 working days and delivery within 3–8 working days.
Email us your order number within 30 days of delivery and we send the return steps the same working day. Refunds within 5 working days of receipt.
Send your registration or make, model and year to britishgarage.co.uk@gmail.com and we check the listing details against it before you order.
Gtechniq Auto W1 GWash is a concentrated, high-foaming car shampoo that gently lifts dirt and grime while preserving waxes and ceramic coatings.
Designed for enthusiasts and detailing pros alike, this 500ml bottle mixes into a rich, lubricating foam that reduces abrasion during washing and dissolves road film for a streak-free finish. Its pink grapefruit fragrance makes the task more pleasant, while the biodegradable, pH-neutral formula is safe for paint, wheels, screens and the environment.
Auto W1 GWash is formulated to lubricate contaminants so dirt particles glide off rather than scratch the surface. It is pH-neutral and non-acidic, meaning it won’t strip waxes, sealants or ceramic coatings when used as directed.
The shampoo is concentrated so a small amount produces thick foam; typical dilution rates depend on wash method. Use a bucket-and-mitt technique for general cleaning or a foam-lance for heavy soiling to maximize dwell time and lubrication.
Yes—Gtechniq Auto W1 is 100% biodegradable and non-toxic, minimizing environmental impact compared with harsher detergents. Its neutral pH also makes it safe for use on alloy wheels, screens and trim when diluted correctly.
The pink grapefruit scent adds a fresh, citrus note to routine washes without overpowering chemical smells. The high-foaming action also improves visibility of covered areas so you can work systematically and reduce missed patches.
Who is this for: Gtechniq Auto W1 GWash is aimed at car owners who value paint protection and a scratch-free wash—detailers, weekend washers and anyone using waxes or ceramic coatings. It suits those who want a concentrated, biodegradable cleaner that lifts stubborn road grime while being kind to finishes and the environment.
Cleaner
Q: Can I use Gtechniq Auto W1 over ceramic coatings?
A: Yes — it is pH-neutral and formulated not to strip ceramic coatings when used at recommended dilution.
Q: Is the shampoo safe for alloy wheels and screens?
A: Yes — the biodegradable, non-acidic formula is safe for alloy wheels and glass when diluted correctly.
Delivery: free tracked delivery to every UK postcode on every order. Most orders are dispatched within 1–2 working days and arrive within 3–8 working days; you receive a tracking link by email as soon as it ships.
Returns: 30 days from delivery to return any unused item in its original packaging. Email us with your order number and we send the return instructions the same working day. Refunds go back to your original payment method within 5 working days of the item arriving with us.
Faulty or wrong item? Tell us within 30 days and we replace or refund it, including the return postage.
Seasonal UK driving advice and a heads-up when new stock lands. No spam, unsubscribe any time.
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