The correct answer is: Castor oil.
Rogan art is a traditional textile painting technique from Iran. It involves painting on fabric using a paste derived from castor oil, egg yolk, and natural pigments. The paste is applied to the fabric in layers, and each layer is allowed to dry before the next one is applied. The final result is a colorful and intricate design that is often used to decorate clothing, home furnishings, and other objects.
Henna is a plant-based dye that is used to create temporary tattoos and hair color. Indigo is a natural blue dye that is extracted from the indigo plant. Mineral pigments are natural pigments that are derived from minerals, such as iron oxide, lead oxide, and copper oxide.
Castor oil is a vegetable oil that is extracted from the castor bean plant. It is a clear, colorless oil that is used in a variety of products, including cosmetics, lubricants, and biodiesel fuel. Castor oil is also used in the production of Rogan art. The paste that is used in Rogan art is made by mixing castor oil with egg yolk and natural pigments. The paste is then applied to the fabric in layers, and each layer is allowed to dry before the next one is applied. The final result is a colorful and intricate design that is often used to decorate clothing, home furnishings, and other objects.