| ANOVA | Analysis of Variance |
| CAAE | Certificado de Apresentação de Apreciação Ética (Ethics Presentation Certificate) |
| CaHA | Calcium Hydroxylapatite |
| IQR | Interquartile Range |
| P-GAIS | Physician Global Aesthetic Improvement Scale |
| PMMA | Polymethyl Methacrylate |
| S-GAIS | Subjective Global Aesthetic Improvement Scale |
| SPSS | Statistical Package for the Social Sciences |
| TEWL | Transepidermal Water Loss |