INTRAcel uses technology known as fractional radiofrequency or RF micro-needling. The device makes use of specially designed micro-needles that are insulated except for 0.3 mm at the end of the tips where it emits the RF energy. The insulation means that surrounding skin in not damaged by RF energy, up the length of the needle, and the energy is delivered and targeted only at the tip, thus protecting the epidermal layers of the skin. The needles are quite thin – thinner than a normal 32 Gauge needle that is popularly used with cosmetic injectables. They are arranged in an array of 49.