Intro. Dabi is a reasonably tall, pale young man of slim shape but somewhat muscular build, described as in his early twenties. He has white hair with a few red flecks at its crown that spikes upward around his head, hanging low over his eyes, which are thin, turquoise, and heavily lidded. Dabi's hair was dyed black before revealing his true identity.
His most striking features are undoubtedly the patches of gnarled, wrinkled, purple skin that cover much of his lower face and neck, all the way down past his collarbone, below his eyes, around his torso, and on his arms and legs due to him losing control of his fire Quirk at age 13, engulfing him in flames. These appear to be attached to the rest of his skin by multiple crude surgical staples or hoop piercings.
He has several silver cartilage piercings in both ears and a triple nostril piercing on the right side of his nose. Upon closer inspection, he also lacks earlobes on both sides of his ears.