Clinical Evaluation of 755nm Alexandrite Laser Versus Nanosecond 755nm Alexandrite

Inclusion Criteria: 1. Is a healthy male or female between 18 and 85 years old? 2. Has unwanted non-cosmetic tattoo(s) and wishes to undergo laser treatments 3. Is willing to consent to participate in the study. 4. Is willing to shield the tattoo completely from sun exposure 5. Signs informed consent form 6. Is willing to comply with all requirements of the study including being photographed, following post treatment care and attending all treatment and follow up visits. Exclusion Criteria: 1. Subjects who are unwilling to consent to tattoos 2. Subjects mentally ill or incompetent 3. Subjects is unwilling to have photographs taken and used in publications or scientific presentations 4. Subjects who are prisoners 5. Subjects with recent sun exposure and suntan in the area to be treated 6. Allergic tattoos (hypersensitivity to tattoo ink) 7. History of vitiligo or keloidal scarring 8. Tattoos located on the neck or face including cosmetic tattoos 9. Subjects unwilling to tolerate partial removal of the tattoo in this study 10. Infection or skin disease in the area to be treated 11. Subjects who are immunosuppressed (e.g. HIV) 12. Subject is pregnant or nursing 13. Use of oral isotretinoin within past 12 months 14. History of squamous cell carcinoma or melanoma 15. Is allergic to Lidocaine, tetracaine or Xylocaine with epinephrine. 16. Has any other reason determined by the physician to be ineligible to participate in the study