The key distinction lies in the processing methods. Standard castor oil typically undergoes cold-pressing, resulting in a pale yellow, translucent liquid. Conversely, the other type involves roasting the beans prior to extraction. This roasting process imparts a darker color and a distinctive smoky aroma. The presence of ash from the roasted beans also affects the oil’s properties and appearance.
Understanding the processing variations is vital because it directly impacts the final product’s characteristics. This can influence how the oil interacts with the skin and hair, potentially affecting its perceived efficacy. Traditionally, one form is associated with promoting hair growth and scalp health due to its unique properties, while the other serves a wider range of cosmetic and medicinal applications, based on its purity and less intense nature.