35101 Combination treatment of transdermal micro-jet using Er:YAG laser and ablative fractional 10,600-nm carbon dioxide laser for acne scar

Background: Various treatment modalities have been used to treat acne scars. Transdermal micro-jet using Er:YAG laser is a new concept called TDDS (Trans-Dermal Drug Delivery System) that sprays small amounts of drugs into the dermis without needles. Carbon dioxide (CO2) fractional laser is one of the most effective and commonly used tool for acne scar. This study aimed to evaluate the efficacy and safety of combination therapy transdermal micro-jet using Er:YAG laser and CO2 fractional laser for acne scar.