Home » Can Slim`SS, Flow`EN and Head`ES products be used in Crohn`s disease and ulcerative colitis? Can Slim`SS, Flow`EN and Head`ES products be used in Crohn`s disease and ulcerative colitis? October 17, 2020 Hellen Off Yes, it can.Previous: Do the products of Essens Home Pharmacy include gluten?Next: Can I use Head`ES as prevention?