What is the best waterproof shower sealant?

The best waterproof shower sealant is often considered to be silicone sealant, particularly those labeled as bathroom or kitchen grade. These sealants are mold-resistant, flexible, and provide a strong waterproof barrier, making them ideal for wet environments. Popular brands like GE, DAP, and Loctite offer high-quality options that are easy to apply and durable. Always ensure the sealant is specifically designed for use in bathrooms to ensure longevity and effectiveness.