| CETETH-20 | polyoxyethylene (20) cetyl alcohol |
| OA1 and OA2 | samples containing CETETH-20/oleic acid/water at 40:10:50 and 40:20:40 |
| OAP1 and OAP2 | samples containing CETETH-20/oleic acid/N-methylpyrrolidone/water at 40:9:1:50 and 40:19:1:40 |
| IM1 and IM2 | samples containing CETETH-20/isopropyl myristate/water at 40:10:50 and 40:20:40 |
| P1 and P2 | samples containing CETETH-20/N-methylpyrrolidone/water at 40:10:50 and 40:20:40 |