YESO WRAP The Yeso Wrap is a Plaster-Wrap Therapy for the Abdomen. This treatment was intended to be applied to the body for cleansing and beautifying of the skin. Alters the appearance of localized fat, inches, cellulite, stretch marks and flaccidity on the abdominal area. It take approximately 30 to 45 minutes to apply and you leave it on for 4 to 8 hours before removing. Suggested 6 to 12 sessions, at 1 to 2 times per week intervals.