Dubbin is a waxy substance that is commonly used to protect and waterproof leather products such as boots, shoes, and bags. It has been used for centuries to help leather withstand harsh environments and maintain its suppleness. In this post, we will explore the properties of dubbin and its uses... Dubbin is a waxy substance that is commonly used to protect and waterproof leather products such as boots, shoes, and bags. It has been used for centuries to help leather withstand harsh environments and maintain its suppleness. In this post, we will explore the properties of dubbin and its uses...