The topic is about understanding when and how to use 3M Cavilon No-Sting Barrier Film, a product designed to protect the skin around a stoma. This film acts as a thin, protective layer to shield the skin from moisture, output, sweat, and friction. Here are some practical tips and advice on using it effectively:

- The film is applied to clean, dry skin during every wafer or pouch change.

- To apply it correctly, follow these steps:
1. Remove the old appliance and clean the skin. Many people prefer to shower without the wafer at this stage.
2. Rinse the area well, ensuring no soap or body wash residues remain, as these can affect adhesion.
3. Dry the skin thoroughly. Some find that finishing with cold water helps close the pores.
4. Apply the 3M No-Sting Barrier Film, either as a wipe or spray, to the area that will be under the wafer.
5. Allow the film to dry completely. If it’s not fully dry, it can weaken or damage the wafer adhesive.

- If using the spray, make sure the surface is no longer tacky before attaching the wafer. If needed, use "half-moon" reinforcement strips to keep the wafer secure.

- For additional skin protection, after the barrier film is dry, some users apply Stomahesive powder over irritated spots. The powder sticks to the film and forms another protective layer before placing the wafer.

- The product comes in different formats and brands, including:
- 3M Cavilon No-Sting Barrier Film, available as wipes or spray.
- Smith & Nephew Skin-Prep/No-Sting barrier wipes as an alternative.
- Stomahesive powder for extra protection.
- "Half-moon" adhesive strips for added security if adhesion is compromised.

- This barrier film is particularly useful for those with retracted stomas, peristomal hernias causing shear, or any tendency toward skin irritation.