When creating natural skincare, every small detail matters — especially temperature. Shea butter is one of the most nutrient-rich and delicate plant butters, and how you melt it determines the quality, texture, and benefits of your final product. One of the most important rules professional formulators follow is simple: Never heat unrefined shea butter above 40°C. Here’s the scientific explanation behind this essential step. 1. Heat destroys vitamins and antioxidants Unrefi