Decoding the Mystique of Double Dydoe Piercing: A Complete Guide Piercing Change and Healing Time Smiley Piercing: Understanding the Procedure, Healing Time and Cost. 29 août 2023 · Decoding the Mystique of Double Dydoe Piercing: A Complete Guide provides comprehensive information on the healing process. Risk of Infection: The risk of infection is a potential downside to any piercing, but it can be higher with a double dydoe due to its location.