The shampoo wash stage is arguably the most important in car detailing. While there are a number of different steps involved in detailing, it’s the physical car wash that does the most work. The best car shampoo will make light work of dirt, no matter how good your pre wash is. Gyeon might not be as mainstream as its rivals, but this Korean company knows a thing or two about car detailing. Read our Gyeon Q²M Bathe car shampoo review to see how it performs.

How I Tested Gyeon Q²M Bathe

First, I diluted Gyeon Q²M Bathe shampoo according to the individual instructions. To gauge how well this product works, it’s important to follow the manufacturer’s instructions. The next step was to observe the performance. Here, I’m looking for a good amount of foam and how it feels against the car’s paintwork. Finally, I carried out a visual and physical inspection to see how much dirt, if any, was left after washing. The price and how much shampoo is needed per wash were also taken into consideration.

Gyeon Q²M Bathe (1 liter) RRP: $27.99, buy now. £15.84, buy now. 

Gyeon Q²M Bathe car shampoo testing

Gyeon Q²M Bathe First Impressions

I love Gyeon’s funky angular bottles. The company is known for its quartz-based paint coatings, and the bottles are suitable crystalline in their design. It certainly makes this shampoo stand out, and it makes it feel like a high-end product. It also comes with a pump dispenser, which is a really nice touch. The shampoo itself is very pale blue gel, and very runny compared to other shampoos. The scent, however, is not so impressive. It’s a weird, sickly sort of citrussy smell. It just reminded me of cough and cold syrup from when I was little, and I really didn’t like it.

Gyeon Q²M Bathe car shampoo foam


Gyeom Q²M Bathe is a very straightforward shampoo with no gimmicks or extra features. It’s been designed to be very slick because the slicker the shampoo the less risk of marring occurring during washing. And it’s pH-neutral, specifically having a pH level of 6. And that’s all there is to it.

Gyeon Q²M Bathe car shampoo washing

What’s It Like To Use Gyeon Q²M Bathe

This is another excellent shampoo that’s lovely to wash with. You only need between 0.5-0.7 fl. oz in your bucket, which makes it very economical. It produced a nice amount of foam that stayed around for a long time. It felt very slick under my wash mitt, which just glided over the paintwork. And it cleaned really well, too. No complaints here.

Gyeon Q²M Bathe Verdict

Gyeon Q²M Bathe is a very good shampoo. It’s really lovely to wash with and will last you a good while thanks to how little you need per wash. There are no special features and I certainly didn’t like the smell, but it’s a solid pure shampoo choice. Gyeon Q²M Bathe is a shampoo I will happily be using again. Pick up a bottle for yourself by checking out the price comparisons below:

Gyeon Q²M Bathe (1 liter) RRP: $27.99, buy now. £15.84, buy now.