Post-inflammatory hyperpigmentation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients with freckles, aged 18-60, of both sexes; 2. Never received relevant treatment before; 3. After fully understanding the treatment plan and risks, voluntarily signed the informed consent, and was willing to accept my own controlled test and cooperate with follow-up.
Exclusion criteria
Exclusion criteria: 1. Pregnant or lactating women; 2. Allergic to topical anesthetics; 3. Any active skin disease in the test area; 4. Patients with wound, infection, or epidermal rupture at the test site; 5. No PIH occurred after treatment; 6. Other factors that the investigator believes may have influenced the results of the trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pigmentaion index; | — |
Secondary
| Measure | Time frame |
|---|---|
| Patient satisfaction rate;Reflectance confocal microscopy, RCM; | — |
Countries
China
Contacts
Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine