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Physical appearance and phase separation.
| Formulation | Grittiness | Clarity | Phase Separation | Color | Consistency |
|---|---|---|---|---|---|
| F1 | no | + | no | W | gel |
| F2 | no | ++ | no | OW | gel |
| F3 | no | ++ | no | W | flowable |
| F4 | no | + | no | W | gel |
| F5 | no | +++ | no | W | less flowable |
Clarity —+ (satisfied); ++ (good); +++ (excellent); W—white in color; OW—off-white.
