extremely significantp < 0.0001
The addition of peppermint essential oil as a penetration promoter was confirmed to be statistically extremely significant ( p < 0.0001) in most cases (HPMC, MC, HEC, NaCMC, and HPC).
The addition of peppermint essential oil as a penetration promoter was confirmed to be statistically extremely significant ( p < 0.0001) in most cases (HPMC, MC, HEC, NaCMC, and HPC).