 Inclusion criteria includes: patients of both genders with Fitzpatrick skin types I-IV who are 18-65 years of age and who has 2 tattoos from 2 to 10 cm in diameter, of similar age which contains black andor blue ink in areas that can be covered. Exclusion criteria includes: tattoos in chronically sun exposed areas, larger than 25 cm2,pregnancy,breast feeding state, immunosuppressed patients, history of autoimmune or connective tissue disorders, hypersensitivity to imiquimod, active sunburn, current tan, use of coumadin, aspirin , vitamin E or non-steroidal anti-inflammatory agents for the past 10 days. 