Update on laser treatment of tattoos

Tattoos have been in existence since the origin of humanity. They are composed of exogenous pigment of various chemical composition introduced into the dermis. In the past, many various methods of tattoo removal have been used, including chemical peeling, mechanical abrasion and various methods of surgical excisions etc. On the other hand, lasers are the treatment of choice for tattoo pigment removal. Today Q-switched lasers have been used for more than 10 years with a pulse duration in the nanosecond (10–9s) range, and have proven their efficacy in tattoo removal. Despite this, caution must be taken as some col…