The Effectiveness of a 5% Retinoic Acid Peel Combined with Microdermabrasion for Facial Photoaging: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial

Table 2

Demographic profile and basic data of patients with photoaging.

Age (years)
Range	35–70
Mean (±SD)	49.55 ± 11.61
Sex
Male	12 (26.7%)
Female	33 (73.3%)
Skin phototype
Type II	19 (42.2%)
Type III	26 (57.8%)
Glogau classification
Mild	0 (0.00%)
Moderate	11 (24.5%)
Advanced	24 (53.3 %)
Severe	10 (22.2%)