Yes, interior coating is definitely worth it. An interior coating like Ethos Leather & Interior Ceramic Coating provides long-lasting protection against UV rays, stains, and abrasion, preserving the beauty and longevity of your vehicle's interior surfaces. By applying a high-quality ceramic coating, you can maintain the factory finish of your leather, vinyl, and plastics, making them easier to clean and reducing the need for frequent maintenance. This investment not only enhances the aesthetic appeal of your car but also helps in retaining its resale value.