A TEENAGER who has an impulse to constantly pick her skin is trying to raise awareness of the condition. Emma Faith O’Heeron from Houston, Texas has dermatillomania - a disorder causing an uncontrollable urge to pick at your skin. The 19-year-old writer can’t remember a time when she didn’t pick at her skin. It affects her life daily, to the point where she spends hours picking at the skin mainly on her face, chest and arms.