---
product_id: 52327554
title: "w4 Citrus Foam"
brand: "gtechniq"
price: "€ 54.92"
currency: EUR
in_stock: null
reviews_count: 8
url: https://www.desertcart.gr/products/52327554-w4-citrus-foam
store_origin: GR
region: Greece
---

# 100% biodegradable & eco-friendly 1L concentrated formula non-caustic, paint-safe foam w4 Citrus Foam

**Brand:** gtechniq
**Price:** € 54.92
**Availability:** ❌ Out of Stock

## Summary

> ✨ Elevate your car wash game with science-backed shine! 🧼

## Quick Answers

- **What is this?** w4 Citrus Foam by gtechniq
- **How much does it cost?** € 54.92 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/52327554-w4-citrus-foam)

## Best For

- gtechniq enthusiasts

## Why This Product

- Trusted gtechniq brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Chic Cleaning:** 100% biodegradable, non-toxic formula that’s gentle on both your car’s finish and the planet.
- • **Scratch-Resistant Wash:** Non-caustic, lubricating foam minimizes surface abrasion to protect your paint and coatings.
- • **Effortless Dirt Lift-Off:** Thick foaming agents and citrus degreaser break down grime before washing, making cleanup faster and safer.
- • **Nanotech-Enhanced Performance:** Developed by a quantum physicist-led company, delivering cutting-edge molecular cleaning technology.
- • **Trusted by Luxury Enthusiasts:** Preferred by high-end vehicle owners worldwide for over 20 years, ensuring premium quality and satisfaction.

## Overview

Gtechniq Auto W4 Snow Foam is a 1L biodegradable, non-caustic pre-wash shampoo and degreaser that safely lifts dirt and grime using advanced nanotechnology. Designed to protect paintwork and coatings, it offers a fast, eco-friendly, and scratch-minimizing cleaning experience trusted globally by luxury car owners.

## Description

Auto W4 Snow Foam Car Shampoo and Degreaser For Cars, 100% Biodegradable Non-Caustic Pre-Wash Snow Foam Car Wash, 1L

## Features

- USE BEFORE CAR WASHING TO LOOSEN DIRT - apply to paint and let the thick foaming agents and degreaser lift off stubborn dirt and road grime to make car washing much safer, easier and quicker.
- BIODEGRADABLE, NON-TOXIC AND NON-ACIDIC – not only is the gentle yet effective formula harmless to the environment. It's also gentle on your paintwork and does not remove any sealants, ceramic coatings, wax or polish
- HELPS AVOID SCRATCHES ON YOUR PAINTWORK - the non-caustic formula combines an effective citrus degreaser with a strong foaming agent that lubricates the dirt particles to minimise surface abrasion.
- MADE BY THE WORLD LEADER IN MOLECULAR NANOTECHNOLOGY – founded in 2001 by a quantum physicist, Gtechniq products are unique and use innovative, advanced technology to achieve a level of performance that outclasses any others on the market
- 100% CUSTOMER SATISFACTION FROM UK BASED GLOBAL COMPANY – sold in 50 countries worldwide, Gtechniq has been the no 1 choice of high-end vehicles for over 20 years, and is passionate about the quality of its products and the stellar service it provides ​

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Gtechniq |
| Brand | Gtechniq |
| Model | GTECHNIQ - W4 - Citrus Foam - 1 |
| Product Dimensions | 8.5 x 8.5 x 28.5 cm; 1.1 kg |
| Item model number | W4 1 |
| Manufacturer part number | W4 1 |
| Special Features | Biodegradable, PH Neutral |
| Item Weight | 1.1 kg |

## Product Details

- **Brand:** Gtechniq
- **Item form:** Foam
- **Scent:** Citrus
- **Specific uses for product:** Automotive Exterior
- **Material feature:** Biodegradable
- **Item volume:** 1 Litres
- **Unit count:** 1000.0 millilitre
- **Surface recommendation:** Metal
- **Special feature:** Biodegradable, PH Neutral
- **Number of items:** 1

## Images

![w4 Citrus Foam - Image 1](https://m.media-amazon.com/images/I/61V5q1TNG9L.jpg)

## Questions & Answers

**Q: Is it safe to use on bicycle? A specially on disc brakes?**
A: It's a pH neutral cleaning product. It's safe use on anything. Not sure why you'd wanna use it on a bicycle though.

**Q: Can this be used on metallic matte paint?**
A: yes it's purely biological, no chemicals so lifts dirt, leave 5 mins and towel dry. suggest you do it in stages. It dries in 5 minutes so unless your Usain Bolt you will have trouble getting round the whole car before it dries and could leave smears. Worth getting the hand glove to make sure the foam spreads across all surfaces and you will need either a snow lance for a high pressure washer or at least a pressure washer bottle if you are to get foam rather than washing up bubbles. Used on two cars both metallic with success my son say's the trick is to use it regularly and you will spend 15 minutes washing a car rather than an hour and the hard work is done for you.

**Q: Can this be used in a similar way to citrus pre wash but in a snow foam lance instead?**
A: Yes it can I use it as a pre wash through a foam lance

**Q: Hi what’s the dwelling period for this product?**
A: 3 to 5 mins, don't let it dry.  By 5 mins the foam has generally slid off the car, it's not like snow foams that hang on the bodywork for a long time.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent Car Shampoo
*by M***T on 10 August 2025*

I really like this car shampoo. A little goes a long way and I love the fact that it doesn’t leave any streakiness on the car. It rinses off really well. Cleaning power is great and it doesn’t appear to strip any of the existing protection already on the paintwork. It’s now my go-to shampoo.

### ⭐⭐⭐⭐⭐ GREAT PRODUCT
*by M***4 on 6 September 2025*

WOW this is very foaming and a nice smell great product 👌

### ⭐⭐⭐⭐ Good, and smells nice, but need to use more than instructed for a proper thick foam
*by A***R on 23 July 2024*

I've used a lot of different snow foams over the years, and this is one of the fairly good ones.I only say "fairly good", because to be honest, I've never found one which particularly astounding. Most don't produce a really thick, clinging foam without using a fair bit more than the advised amount.This Gtechniq W4 is a bit thicker, so likely a bit more concentrated than others, so you do need to use less than other brands, but it does cost a bit more (1l of this might be 2.5l of another brand, but you'll use 2.5+ times as much with some other brands).Gtechniq W4 does a good job of softening baked on insects, mud, grime and bird muck - which is basically what it is for. It isn't a contactless wash, meaning you will still need to do a regular contact wash afterwards (e.g. buckets and a wash mitt), but it does make it that much easier and quicker.The other plus is that it smells pretty nice too!

## Frequently Bought Together

- Gtechniq - W4 Citrus Foam - High Content Foaming Agent, Removes Dirt and Road Grime, Non-Caustic Formula, Maximum Gloss Retention Snow Foam (1 Liter)
- Gtechniq W6 Iron and General Fallout Remover for Cars, Brake Dust Degreaser and Cleaner for Wheels, Rims and Paintwork, Safe on Coatings, 500ml
- 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)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-01-22*