| Variable | Value |
| Age, years |
|
| Mean (SD) | 41 (±3) |
| Range | [22 ; 69] |
| Sex, n (%) |
|
| Female | 17 (76%) |
| Male | 6 (24%) |
| Phototype, n (%) |
|
| I | 0 |
| II | 18 (78%) |
| III | 4 (18%) |
| IV | 1 (4%) |
| Face skin type, n (%) |
|
| Normal | 4 (17%) |
| Combination | 7 (31%) |
| Greasy | 1 (4%) |
| Dry | 11 (48%) |
| Very dry | 0 |
| Body skin type, n (%) |
|
| Normal | 0 |
| Dry | 12 (52%) |
| Very dry | 11 (48%) |