Yes, detailing your car with car wax after washing is an important step for several reasons:

1. Protects the Paint

• UV Protection: Car wax acts as a protective barrier against harmful UV rays, preventing your car’s paint from fading or oxidizing over time.
• Water Repellency: It helps water bead off the surface, minimizing the chances of water spots forming after rain or a wash.

2. Enhances Shine

• Wax gives your car a deep, glossy shine, enhancing the overall appearance. On darker cars, especially black or deep-colored paints, this effect is even more pronounced.

3. Protects Against Contaminants

• Wax forms a protective layer on your car's surface, shielding it from road grime, bird droppings, tree sap, and other contaminants that can harm the paint. This makes it easier to clean the car in the future.

4. Prevents Minor Scratches

• Wax fills in microscopic imperfections on the paint surface, reducing the appearance of light swirl marks and scratches. It also adds a slick layer that makes it harder for dirt and debris to stick, which can prevent additional scratches from accumulating.

5. Longer-Lasting Clean

• Applying wax helps maintain the cleanliness of your car for longer periods. It creates a surface that’s harder for dirt to adhere to, meaning your car stays cleaner between washes.

How to Apply Wax After Washing:

1. Wash and Dry: Make sure your car is completely clean and dry before applying wax.
2. Use Quality Wax: Choose a high-quality wax suited to your needs (paste wax, liquid wax, or spray wax).
3. Apply Thin Layers: Apply the wax in thin, even layers using a foam applicator pad or a microfiber cloth.
4. Buff It Out: After the wax hazes, buff it off with a clean microfiber towel to reveal a smooth and shiny finish.

Alternative: Sealant or Ceramic Coating

If you're looking for longer-lasting protection, you might also consider using a paint sealant or ceramic coating, which can last months or even years compared to the weeks of protection that wax provides.

In short, waxing your car after washing is essential for maintaining its appearance, protecting the paint, and making future cleaning easier.