shao brain
 
                
                    
                        The Distillation and Refinement of Camphor: A Traditional Medicinal Substance                    
                    
            Camphor, also known as chao brain or shao brain, is a granular substance obtained from the roots, stems, and leaves of the camphor tree (Cinnamomum camphora) through distillation and refinement. It is
                        
                        December 7, 2023