However, the improvement observed did not reach statistical significance concerning global esthetic improvement scale, visual analog scale, or dermal density. 31 In recent developments, Kim et al. published two cases demonstrating the successful use of PN in volumizing facial areas that were conventionally treated with other types of dermal fillers. 32 Lee et al. conducted a survey involving 557 Korean physicians, revealing that a significant majority of doctors employed PN to address various facial erythema issues.
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