
Polishing and waxing should be done every 3 to 6 months. Both polishing and waxing can maintain the car's appearance and repair minor scratches. Very fine scratches, such as hairline scratches, can be removed by waxing. For relatively more severe scratches, polishing is needed to remove them. Relevant information is as follows: 1. Function: Waxing can serve as a polishing agent. When minor scratches appear on the car, sand wax can be used to polish and remove the scratches. Sand wax contains special abrasive particles that can easily and safely remove the oxidation film, fine scratches, spots, and stubborn stains on the car's surface, restoring the original charming luster and long-lasting beauty to the old, faded, and dull paint layer. 2. Repair: Polishing is a consumable repair method. Minor scratches can be repaired by polishing. By rotating the polishing disc, the oxidation layer, scratches, and stains on the car's paint surface can be polished, restoring the paint surface to a smooth and shiny state. A small amount of polishing is fine, and the car paint can withstand it.

My car polishing and waxing usually took over four hours to complete. This job looks simple but is actually quite complex: first, you need to thoroughly clean the car body, then use clay to remove stubborn overspray stains, followed by polishing different areas with varying grits of abrasive compounds. Every time, I would spend half a day tinkering in the garage, especially with dark-colored paint, which required polishing three or more times to achieve a mirror-like finish. After polishing, you have to let the wax sit for fifteen minutes to cure, and finally, use a microfiber cloth to slowly buff it to perfection. A reminder to everyone: if the car has many scratches or hasn’t been maintained for a long time, the process may take an extra hour or two.

The process of polishing and waxing at a detailing shop is quite standardized, taking about three hours for a mid-sized sedan. The technician told me the key lies in the preliminary steps: a 20-minute thorough car wash, followed by a careful inspection of the paint condition to categorize scratches as light, medium, or severe. They use professional electric tools to speed up the process, but no step can be rushed. Like last time when my car roof had oxidation layers, it took an extra half hour to remove them. The final waxing stage is particularly meticulous – liquid wax must be applied evenly in thin coats, left to cure, and then hand-polished, which takes at least 30 minutes even at the fastest pace.

I saw someone spending two hours on polishing and waxing at a car wash, but actually skipped several steps. The complete process at a professional shop includes deep decontamination, sectional polishing, and manual touch-ups for hard-to-reach areas. Last time I had it done at a 4S shop, the paint correction involved two rounds of polishing plus a coating application, taking five hours in total. Larger vehicles require more time – SUVs typically take an hour longer than sedans. Also, a light polish for a new car might wrap up in three hours, whereas older cars needing oxidation layer removal will take significantly longer.

When doing DIY polishing and waxing, my first attempt took six hours, with the main time spent on three steps: washing the car body took half an hour, and the most challenging part was repeatedly ensuring even pressure during machine polishing. Applying wax required working in sections to avoid hardening and difficult removal. Now, with more practice, I can complete it in about four hours, but dealing with swirl marks using different compounds still takes extra time. I recommend beginners choose weekends for this task to avoid rushing and potentially leaving holograms.

The express detailing service at the beauty shop takes about one and a half hours to complete, but it's limited to light polishing. A thorough treatment requires at least three hours: machine polishing takes up half the time, starting with coarse polishing to repair scratches, followed by fine polishing to restore gloss. Then, palm wax is evenly applied, left to cure for ten minutes before buffing. Special reminder: don't rush to do it after rain, as watermarks need to be polished first. If the car has a color-changing film applied, these areas must be avoided during the process, which actually takes more time.


