Comparison Study of Picosecond and Nanosecond Pulse Durations Using a Q-switched Nd:YAG Laser for Tattoo Removal

Inclusion Criteria: * Females or Males, 18 to 55 years of age (inclusive). * Fitzpatrick Skin Type I - VI. * Tattoos containing black/blue ink alone or in combination with other colors. No tribal, scarred, high-ink density, or highly colorful tattoos. * Target tattoos older than 1 year. * Must be able to read, understand and sign the Informed Consent Form. * Must be willing and able to adhere to the treatment and follow-up schedule and post-treatment care instructions. * Wiling to cover tattoos with a bandage or clothing; and/or have very limited sun exposure and use an approved sunscreen of SPF 50 or higher on the treated area starting 2 to 4 weeks before the treatment and/or every day for the duration of the study, including the follow-up period. * Willing to use hydroquinone approximately 4 weeks pre-treatment and post-treatment if required by Investigator. * Willingness to have digital photographs taken of the treated area. * Agree not to undergo any other procedure(s) for the tattoo removal during the study. * Post-menopausal or surgically sterilized, or using a medically acceptable form of birth control at least 3 months prior to enrollment and during the entire course of the study. Exclusion Criteria: * Participation in a study of another device or drug within 6 months prior to enrollment or during the study. * History of allergic reaction to pigments following tattooing. * Presence of double tattoo in the treatment area or presence of tribal, scarred, high-ink dens…