The dye content in car cleaning agents (such as car wash liquid and glass cleaner) is extremely low, primarily serving to distinguish products, enhance aesthetics, and prevent accidental ingestion, without affecting cleaning effectiveness.

1. Common Formulas (Industrial / Homemade Universal)
High Foam Car Wash Solution (Neutral pH, Paint-Safe)
Deionized water: 85%～90%
AES (Sodium Laureth Sulfate): 2% to 4%
K12 (Sodium dodecyl sulfate): 1% to 2%
6501 (Cocamide DEA): 1%～1.5%
CAB (Coconut Amide Propyl Betaine): 1%～2%
Sodium Tripolyphosphate / Tetrasodium EDTA: 0.5%～1% (for water hardness chelation)
Preservative (parabens): 0.1%
R1: “Essence” must be translated as essence.
Original: Essence: 0.1%

Translation: Essence: 0.1%
Dye: 0.001% to 0.01% (10 to 100 ppm)
pH regulator: Appropriate amount (adjust to neutral pH 6-8)

2. Windshield washer fluid (summer)
Water: 90% to 95%
Ethanol/isopropanol: 3% to 5% (antifreeze, defogging)
AES / TX-10：0.3%～0.5%
Benzotriazole (corrosion inhibitor): 0.02%
Dye (Bright Blue / Acid Blue): 0.0005% to 0.005% (5 to 50 ppm)
R1: “Essence” must be translated as essence.
Original: Essence: trace amount

Our factory is producing various colors of auto shampoo dyes including pink, green, yellow and blue color, welcome your inquiry- Rhodamine B Dye factory in China.

Contact person: Miss Jessie Geng

Email:jessie@xcwychem.com

Mobilephone/Whatsapp: +86-13503270825