Doctors tell us the Scarlet SRF is the most comfortable Radio Frequency (RF) Microneedling treatment their patients have experienced. Due to the next-generation robotic motor Scarlet SRF delivers a more comfortable patient experience -without compromising the speed of the treatment. The Scarlet SRF is your best defense against the signs of photo-aging, acne, scars, and striae and can dramatically improve the look and feel of your skin with a 95% patient satisfaction rate.