This investigation evaluates three new ostomy appliances and their impact on the peristomal skin.

Inclusion Criteria:

1. Have given written informed consent and in DK: signed a letter of authority
2. Be at least 18 years of age and have full legal capacity
3. Have had their ileostomy for at least 3 months
4. Have an ileostomy with a diameter between 10 and 55 mm
5. Be able to handle the Clinical App. and product themselves
6. Must be able to use custom cut product
7. Minimum change of product every second day
8. If current product is SenSura Mio - Be willing to use Maxi bag during investigation
9. Subject using Sensura or Sensura Mio flat 1 pc. open for at least two weeks before inclusion in the study.
10. Negative result of a pregnancy test for women of childbearing age (only DK)

Exclusion Criteria:

1. Are currently receiving or have within the past 2 months received radio-and/or chemotherapy (low doses chemotherapy are allowed for other indications than cancer, e.g. below 15 mg methotrexate for rheumatoid arthritis)
2. Are currently receiving or have within the past month received topical steroid treatment in the peristomal skin area, e.g. lotion or spray. Systemic steroid treatment (e.g. injection, or tablet) are allowed.
3. Are pregnant or breastfeeding**
4. Are participating in other interventional clinical investigations or have previously participated in this investigation
5. Are currently suffering from peristomal skin problems i.e. bleeding and/or broken skin (assessed by the investigator)
6. Have known hypersensitivity towards any of the products used in the investigation

42 days

Any untoward or unfavorable medical occurrence in a participant, including any abnormal sign (for example, abnormal physical exam or laboratory finding), symptom, or disease, temporally associated with the participant's participation in the research, whether or not considered related to the participant's participation in the research