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Skin irritation index of the blank NLC formulation (blank F4) and the orobol-loaded NLC formulation (F4) at 30 min, 24 h, and 48 h after the topical application to human volunteers for 24 h.
| Formulation | 30 Min | 24 H | 48 H |
|---|---|---|---|
| not-treated | 0 | 0 | 0 |
| blank F4 | 0.0167 | 0.0167 | 0.0167 |
| F4 | 0.0167 | 0.0167 | 0.0167 |
