Statistical analysis
All data were statistically processed using SPSS Statistics (ver. 21.0) for Windows. Data processing for efficacy was based on an ITT analysis of participants taking the test product for which at least one primary endpoint was measured. In addition, PP analysis, which analyzes data obtained from participants who completed the study according to the human application test plan, was used as an auxiliary data. To evaluate the efficacy of the dropout participants, the analysis was performed by applying the LOCF (Last Observation Carried Forward) method, which took the final record evaluated after administration of the test product or the control product. In all tests, a statistical treatment result of 