Comparison of the Efficacy and Safety of Delicate Pulsed Light and Q-Switched 1064 nm Nd:YAG Laser in the Treatment of Post-Acne Erythema

The DPL treatment was randomly applied to one side of the face, with an energy density of 6-8 J/cm². Sessions were performed at intervals of 2-3 weeks, for a total of six treatments..The randomly assigned half of the face received large-spot, low-energy 1064 nm laser treatment at an energy density of 0.8-1 J/cm², performed at intervals of 2-3 weeks for a total of six sessions.