While the Seahorse X Kit is primarily designed for wax concentrates, it can also be used with essential oils and CBD extracts. However, it's necessary to use caution when vaping these substances and ensure they are compatible with the device to avoid any damage or malfunction. Additionally, cleaning the device thoroughly after each use when switching between different substances is recommended to prevent cross-contamination and maintain optimal performance. With proper care and attention, you can enjoy a versatile vaping experience with the Seahorse X Kit, whether vaping wax concentrates, essential oils, or CBD extracts.