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Physician’s overall ratings for the response of inflammatory acne after 45 days of topical application of a combination product containing nicotinamide, retinol, and 7-dehydrocholesterol in 16 patients with inflammatory acne on their back
| Rating | Number (%) |
|---|---|
| Worsened | 0 (0%) |
| Unchanged | 1 (6%) |
| Improved | 10 (63%) |
| Markedly improved | 4 (25%) |
| Resolved | 1 (6%) |
| Total | 16 (100%) |
