Overview The Efficacy and Safety of Dezocine Pretreatment for Pain Relief in Acne Scar Treatment of Fractional CO2 Laser Status: Recruiting Trial end date: 2024-12-31 Target enrollment: Participant gender: Summary The Efficacy and Safety of Dezocine Pretreatment for Pain Relief in Acne Scar Treatment of Fractional CO2 Laser Phase: Phase 4 Details Lead Sponsor: Xijing HospitalTreatments: DezocineLidocaine