tattoo
Conditions
Interventions
Group 1:Picoway picosecond laser
Group 2:MedLite nanosecond laser
Sponsors
Dermatology Hospital, Chinese Academy of Medical Sciences
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Healthy men and women aged 18 to 60 years; 2. Fitzpatrick Skin Type II-VI; 3. The duration of the tattoo is greater than one month; 4. The tattoo can be divided into two parts symmetrically; 5. Ability and willingness to follow all interviews, treatments and evaluations; 6. Be able to understand and provide written informed consent; 7. Women of childbearing age require reliable contraceptive methods to be used at least 3 months prior to the start of the study recruitment.
Exclusion criteria
Exclusion criteria: 1. Pregnancy or planned pregnancy during the study; 2. lactating women; 3. Photoallergy to the near-infrared wavelength region; 4. Take medications that increase photosensitivity; 5. Light-induced epilepsy; 6. Oral isotretinoin is used within 6 weeks prior to the start of treatment or during the study; 7. Active local or systemic infections, or open wounds in the treated area; 8. A history of keloid formation or poor wound healing in areas of previous skin lesions; 9. There is skin lupus; 10. Active herpes simplex in the treatment area; 11. There are multiple dysplasia in the treatment area; 12. Any form of active malignancy during recruitment or during the study; 13. There are significant systemic diseases or obvious conditions in the treated area; 14. Participate in other equipment or drug studies within one month prior to the start of treatment or during the study; 15. Evidence of mental or intellectual abnormalities, prisoners, or any active drug or alcohol dependence; 16. According to the investigator, any condition in which the subject is treated as part of the study may be unsafe (for the subject or researcher).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Skin lesion removal efficiency; | — |
Countries
China
Contacts
Public ContactTong Lin
Dermatology Hospital, Chinese Academy of Medical Sciences
Outcome results
None listed