Carbon dioxide laser produces an infra red laser which can be used for treating acne scars, chicken pox scars, fine lines, wrinkles, sun damage, rhinophyma, and actinic chelitis.At less intense and pulsed modes the CO2-laser can remove thin very superficial layers of skin without affecting deeper layers which can be used to remove skin tags, dermatosis papulosa nigra, warts, syringomas, moles, seborrhoeic keratosis, milia, and sebaceous hyperplasia.