Yes, you should definitely apply dog-approved sunscreen to any areas of exposed skin before your dog goes outside in the strong summer sunshine. Even areas with just a light covering of fur can still get burnt, causing your dog severe pain.
Whether you’re going out for a short trip somewhere or letting your dog out in your backyard, make sure that you apply sunscreen to your dog’s belly, nose, groin, and lips. Just like humans, sunburn can also cause skin cancer in dogs.