What is applied to the tires after car washing?

[Hudson]

The substance applied to the rear tires is tire wax, which serves to make the tires appear shiny and attractive. If it's a professional car wash, the sidewalls of the tires are coated with silicone fluid or high-quality glaze. A simple way to identify this is by touching it with your fingers—it should feel smooth. More details are as follows: 1. Generally, the applied substance is oil-based. Prolonged use can cause irreversible damage to the tires, accelerating their aging. 2. The sidewall is typically the weakest part of the tire, so it's best to avoid any actions that could harm it.