OVERcoat pH- | Acidic Shampoo
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Regular price is ¥2,980, but we offer special prices only for the sets below:
1 unit:
¥1,980 (promo price)
3-unit set:
¥1,900 per unit
4-unit set:
¥1,480 per unit
34-unit set:
¥1,300 per unit
*Discounts apply only to set options.
For example, if you purchase three separate 1-unit items, the 3-unit set discount will not be applied.
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Created for excellence
This is what OVERcoat pH- can do.
The ultimate 3-in-1 acidic chemical
The ultimate solution for acid-based car wash — all in one bottle.
Lifts dirt effectively, making it ideal for pre-wash.
Its high lubricity helps prevent wash-induced scratches when used as a shampoo.
Additionally, it offers strong cleaning power as a cleaner, removing even stubborn stains with ease.
pH Balanced
Safe for use on all surfaces
OVERcoat pH- features a pH-balanced formula that provides powerful cleaning while remaining safe for use on all surfaces when properly diluted.
When diluted as shampoo, it can be used on coated vehicles without removing the coating.
Highly Concentrated
Use it with your favorite tool.
OVERcoat pH- can be diluted and used with a bucket, spray, pump spray and foam gun. Wash the way you prefer.
pH Series
Achieve the perfect wash with the complete pH Series.
OVERcoat pH+
The alkaline shampoo that removes grease effectively.
OVERcoat Neutral pH
Ideal for regular maintenance washes.
Product Specifications
A peeling agent for removing scale and water spots.
With the power of acidity, it is effective for surface preparation. OVERcoat pH- has a peeling effect that thoroughly removes stubborn dirt, water spots, ion deposits, scale, and more.
It also functions as an anti-aging treatment for your vehicle, removing dirt and mineral buildup to prevent corrosion and deterioration.
OVERcoat pH-
Acidic Shampoo
500ml (16.9oz)
65 x 65 x 250mm (650g)
Water, glycolic acid, sulfamic acid, surfactants, dyes, fragrances.
Measuring Cup. Push-Pull Cap.
Do not drink. If ingested, do not induce vomiting. If the liquid gets into your eyes, rinse immediately with water. Seek medical attention if any abnormalities occur. Store out of the reach of children in a cool, dark place.The product may undergo discoloration, but this does not affect its effectiveness. Effects may vary depending on the surface. If unsure about the effect on a specific surface (windshield, aluminum, etc.), please test on an inconspicuous area. Please note that the undiluted solution is a powerful cleaner and wiper scratches that were originally on the windshield may be noticeable. Do not use undiluted solution on side mirrors. When using the undiluted solution, apply by small sections rather than the entire surface and wash it off immediately. Avoid leaving the liquid on the surface for extended periods of time. Please note that when using the undiluted solution, the existing coating layer may peel off. Do not wash your car continuously with undiluted solution. Do not use on deteriorated clear coatings, glass, wheels(cracks, scratches), or peeling paint. Do not use undiluted solution on aluminum, alumite, magnesium, polished, chrome, plated, stainless steel, and metals as it may cause discoloration or deterioration. Do not use in direct sunlight, windy days or on a hot vehicle surface. To prevent stains and water spots, ensure that the water does not dry naturally after washing. The use of protective gloves is recommended. Wash your hands thoroughly after use. The product is biodegradable. OVERCOAT JAPAN is not responsible for any injuries caused by incorrect and improper use of the product. Read this carefully before using this product.
What's in the box
How To Use
To see all usage instructions, click the button below to view the user guide.
FAQ
Frequently Asked Questions
How does the peeling effect work?
OVERcoat pH- is a strong car shampoo that is designed for maximum cleaning efficiency against tough dirt, hard water and other stubborn grime, peeling the hard minerals out.
Is strong car shampoo safe to use?
Although it has a strong effect, it is pH balanced to prevent damaging the clear coat.
Can it be used on coated vehicles?
We recommend using the shampoo in a diluted form on coated vehicles. Depending on the type and hardness of the coating, there may be a slight reduction in water repellency. However, high-quality and high-hardness coatings can be safely used without issues.
If the repellency weakens, you can restore the performance by applying OVERcoat ULTRAviolet as a top-up in the final step.
How often do I need to wash my car?
It depends on factors such as the environment and how often the vehicle is used, but as a guideline, once every two weeks is the best time to use it diluted.
What kind of surfaces can it be used on?
Bodywork, glass, windows, tires, wheels, fender liners, rubber, plastics, engine bay.
When should I use the push-pull cap?
Soon after opening the product, throw the original cap and replace it for the push-pull cap.
Where should it be stored?
In a cool and dark place, out of the reach of children.
Does discoloration occur?
The product may undergo discoloration, but this does not affect its effectiveness.
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