Embossing ink is a special type of ink used in the process of embossing, which creates raised designs on paper or other materials. This ink is typically thicker than regular ink, allowing it to hold its shape when heated. It is often clear or colored and is applied to the surface before a heat source is used to activate the embossing powder. When the embossing powder is sprinkled over the wet ink, it sticks to the design. Once heated, the powder melts and forms a raised, glossy finish, enhancing the visual appeal of cards, invitations, and other crafts.