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SPF values of formulations containing HERP associated or not with chemical and physical sunscreens.
| Formulations | Mean FPS (±SD) |
|---|---|
| P3.5 | 2.75 (±0.47) |
| PFF3.5∗ | 21.24 (±1.3) |
| PFQ3.5 | 32.50 (±0.32) |
P3.5: Poloxamer/HERP 3.5% gel base; PFF3.5: Poloxamer gel base/3.5% HERP/3% TiO2 and PFQ3.5: Poloxamer gel base/3.5% HERP/7.5% octyl methoxycinnamate. ∗ Absorbance obtained by diffuse reflectance.
