When choosing a skin barrier, it’s important to consider the characteristics of your stoma. If it has an irregular shape, doesn’t protrude from the skin, and/or is positioned in a skin crease or fold, a convex barrier may provide a more secure seal than a flat barrier. And a proper barrier fit may help prevent leakage and protect your skin from irritation and damage.
Soft versus firm convexity
A convex barrier curves outward toward the skin to increase the depth of the skin barrier. This outward curving is designed to come in contact with the skin directly around the stoma (i.e., the peristomal skin), which may help promote a good seal.
Convexity can be firm or soft. Firm convexity has a more rigid structure and provides firm support that can help your stoma protrude, or help open or flatten skin folds. Soft convexity acts similarly but provides gentle support along with flexibility.
If you have a stoma that is below the surface of your skin, you could also use a barrier ring in conjunction with a convex skin barrier. This would create even more depth and help provide uniform pressure around the stoma for a customized fit.
Finding the best skin barrier fit
Below is a quick reference guide to help you find the right ostomy skin barrier:
Skin Barrier to Consider
Your stoma sticks out, the opening is in the center, and your peristomal skin is flat
Levels of soft and firm convexity vary between ostomy product manufacturers, so if you’re considering using a convex barrier, ask your stoma care nurse for help in selecting the best option for you. Medical Monks representatives are also available with any questions you may have.
If considering a soft convex skin barrier, try the Hollister Two-Piece Soft Convex CeraPlus™ skin barrier with Remois Technology* designed to help prevent leakage and maintain healthy skin right from the start, available in both pre-cut and cut-to-fit configurations.
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*Remois is a Technology and trademark of Alcare Co., Ltd.