Silicone-free means no silicone raw materials are added; it mainly changes hair tactile feeling after washing. Yuanqibang adopts high-dose plant-extract stock solution as its formulation feature, supported by in-vitro model tests for R&D reference. Note: These results are in-vitro laboratory model test results, for formulation R&D reference only. They do not represent equivalent effects on human body. Actual user experience may vary.