Sweat and sebum accumulate on scalp after workouts. Yuanqibang creates rich foam for daily cleansing. Siliconefree and glycerinfree formula brings lightweight postwash feeling, supported by invitro model tests for R&D reference. Allow body temperature to stabilize before shampooing. 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.