The purpose of this study is to determine whether Pico laser is effective and safe in the treatment of unwanted tattoos.

The Investigational device is a dual wavelength laser system developed for treatment of pigmented lesions and for tattoo removal. The base unit is a GentleMax Pro laser system modified to emit light at wavelengths of 532 and 1064 nm and deliver pulse energy up to 400mJ, and pulse duration of 700 ps.

A multicenter study.

Inclusion Criteria:

1. Has Fitzpatrick skin type I-IV
2. Has unwanted non-cosmetic tattoo(s) and wishes to undergo laser treatments to remove them
3. Is willing to consent to participate in the study
4. 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. Is hypersensitive to light exposure
2. Has an active sun tan
3. Has Fitzpatrick skin type V or VI
4. Has active localized or systemic infection
5. Is taking medication(s) for which sunlight is a contraindication
6. Has a history of squamous cell carcinoma or melanoma
7. Has a history of keloid scarring
8. Has used oral isotretinoin (Accutane®) within 12 months of initial treatment or plans on using during the course of the study. Note: Skin must regain its normal degree of moisture prior to treatment.
9. Has a history of immunosuppression/immune deficiency disorders (including HIV infection or AIDS) or use of immunosuppressive medications
10. Is female and pregnant, has been pregnant within the last 3 months, is currently breast feeding or planning a pregnancy during the study period
11. Is allergic to lidocaine, tetracaine or Xylocaine with epinephrine