Alma’s non-invasive fractional Er:Glass technology at 1540 nm creates high-density energy columns (up to 3000 mJ/pulse) in the skin while leaving the epidermis intact. It is used for treatments such as skin resurfacing, wrinkles, acne scars, stretch marks, and overall improvement of skin texture. An additional cooling system combined with suction also targets inflammatory acne in a painless and effective manner.