Cavilon barrier film is a liquid skin protectant that dries into a thin, transparent, breathable layer on the skin. It shields intact skin from moisture, bodily fluids, friction, and the irritating effects of medical adhesives. The film is most commonly used in healthcare settings for people dealing with incontinence, pressure injuries, or frequent bandage changes, but it also has practical applications for anyone whose skin is regularly exposed to irritants.
Moisture and Incontinence Protection
The most widespread use of Cavilon barrier film is protecting skin that’s repeatedly exposed to urine or stool. Incontinence-associated dermatitis, the red, raw, painful skin that develops from prolonged contact with bodily fluids, is a persistent problem for people with bladder or bowel incontinence. The film creates a physical barrier between the skin and these corrosive fluids, preventing the breakdown that leads to irritation, inflammation, and open sores.
Unlike traditional barrier creams and ointments, the film is transparent, so caregivers can monitor the skin underneath without removing it. It also stays put through multiple incontinence episodes. In clinical practice, the film is typically reapplied every 24 hours for people experiencing frequent incontinence, though it can protect for up to 72 hours when exposure is less severe. For people with very frequent episodes (ten or more per day) or contact with particularly corrosive fluids, reapplication every 6 to 12 hours is more common.
Friction and Pressure Injury Prevention
Friction is one of the four mechanical forces that contribute to pressure ulcers, alongside direct pressure, shear, and moisture. For people with limited mobility, repositioning in bed or a wheelchair creates friction between skin and support surfaces. Over time, this friction damages the outer layers of skin and increases the risk of pressure injuries developing.
Cavilon barrier film reduces that friction by creating a smooth, low-resistance surface on the skin. An international consensus on pressure ulcer prevention recommends considering film barriers to protect body areas at risk for friction injury. Research suggests that applying a liquid barrier film to intact skin may reduce friction more effectively than silicone-based dressings in preventive settings. Common application sites include the sacrum, heels, elbows, and any bony prominence where the skin is under mechanical stress.
Protection From Medical Adhesives
Repeated application and removal of medical tape, wound dressings, and device securement strips can damage the skin’s outer layer. This type of injury, known as medical adhesive-related skin injury, is especially common in older adults, people on long-term wound care, and patients with fragile or thin skin. Each time adhesive is pulled away, it strips skin cells and weakens the barrier function of the surrounding tissue.
Applying Cavilon barrier film to the skin before placing adhesive dressings or tape creates a protective buffer. The adhesive bonds to the film rather than directly to the skin surface, making removal less traumatic. The film doesn’t interfere with how well the tape sticks, so dressings remain secure while the underlying skin stays intact.
Periwound Skin Protection
The skin surrounding a wound (the periwound area) often becomes macerated or damaged from wound drainage, frequent dressing changes, or exposure to wound fluids. Cavilon barrier film is applied to this surrounding skin to keep it healthy and intact while the wound itself heals. This is particularly useful around chronic wounds like leg ulcers or surgical sites that produce significant drainage.
The film is not applied directly to open wounds. It’s designed exclusively for intact or at-risk skin around the wound edges, protecting that tissue from the corrosive effects of wound exudate and the mechanical stress of adhesive dressing changes.
How It’s Applied
Cavilon barrier film comes in individual wand applicators, foam applicators, and spray forms. The skin should be clean and dry before application. You apply a thin, even coat to the area you want to protect, then let it dry completely, which takes roughly 30 seconds. If you miss a spot, wait for the first layer to dry before touching up that area. For skin folds, hold them apart until the film has fully dried to prevent the surfaces from sticking together.
One important detail: using other barrier products like ointments, creams, or lotions underneath or on top of the film significantly reduces its effectiveness. The film needs direct contact with clean skin to form a proper protective layer. If you’re switching from a cream-based barrier product, the skin should be thoroughly cleansed before applying the film.
Who Should Not Use It
Cavilon barrier film should not be used on infected skin or by anyone with a known sensitivity or allergy to the product’s ingredients. It’s also not appropriate for use on skin that will be in direct contact with a chlorhexidine gel pad (found in some IV securement dressings), since the antiseptic needs to touch the skin directly to work.
The “no sting” formulation is specifically designed to be pain-free on application, even on irritated or sensitive skin. This makes it practical for fragile skin in elderly patients or on areas that are already tender from moisture exposure or friction, where alcohol-based skin protectants would cause significant discomfort.