Inclusion Criteria:  A healthy male or female 18 years of age or older. Willing to undergo treatments with the PicoSure and PicoPro devices for pigmentary lesions, acne scars, skin revitalization, or tattoo removal. Understands and accepts obligation not to receive any other procedures on the treatment area through the length of the study. Understands and accepts the obligation and is logistically able to be present for all visits. Is willing to comply with all requirements of the study and sign the informed consent document.  Exclusion Criteria:  Is female and pregnant, has been pregnant within the last 3 months, is currently breast feeding or planning a pregnancy during the study period. The subject is hypersensitive to light in the near infrared wavelength region. The subject takes medication which is known to increase sensitivity to sunlight. The subject has seizure disorders triggered by light. The subject takes or has taken oral isotretinoin, such as Accutane®, within the last six months. The subject has an active localized or systemic infection, or an open wound in area being treated. The subject has a significant systemic illness, such as lupus, or an illness localized in area being treated. The subject has common acquired nevi that are predisposed to the development of malignant melanoma. The subject has herpes simplex in the area being treated. The subject is receiving or has received gold therapy. The subject is currently enrolled in an investigational drug or device trial, or has received an investigational drug or been treated with an investigational device within in the area to be treated 6 months to entering this study. The subject has any condition or is in a situation which in the investigators opinion may put the subject at significant risk, may confound study results or may interfere significantly with the subject's participation.  Cautionary Criteria:  Has unprotected sun exposure within four weeks of treatment, including the use of tanning beds or tanning products, such as creams, lotions and sprays may interfere with the laser treatment; Investigator discretion is required to determine feasibility of treatment administration. Has a coagulation disorder or is currently using anti-coagulation medications. Anticoagulants may cause excessive bleeding and interfere with posttreatment healing; Investigator discretion is required to determine feasibility of treatment administration for subjects taking anticoagulants. Is taking medications that alter the wound-healing response which may interfere with posttreatment healing and may require special precautions to be taken by a treating Investigator. Is known to have a history of healing problems or history of keloid formation, Investigator discretion is required to determine the feasibility of treatment administration. Has a history of skin cancer or suspicious lesions, Investigator discretion is required to determine feasibility of treatment administration. Has had a chemical or mechanical epilation within the last six weeks may interfere with the post treatment healing process; Investigator discretion is required to determine feasibility of treatment administration.