| RA | Rosmarinic acid |
| SAs | Salvianolic acids |
| SyOf | Comfrey concentrated extract |
| O/W | Oil-in-water |
| SyOf10% | 10% comfrey concentrated extract in oil-in-water cream |
| SyOf20% | 20% comfrey concentrated extract in oil-in-water cream |
| Simple C | Oil-in-water cream without SyOf |
| HaCaT | Human keratinocytes cells |
| MH | Mueller–Hinton agar |
| MICs | Minimum inhibitory concentrations |
| MBC | Minimum bactericidal concentration |
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