Steri-Strips are thin adhesive strips used to hold the edges of a wound together while it heals. They work like a bridge across a cut, pulling the skin on both sides into alignment so new tissue can form cleanly. You’ll encounter them in emergency rooms, surgical recovery, and home first-aid kits, and they serve as an alternative to stitches for wounds that aren’t too deep or under too much tension.
How Steri-Strips Close a Wound
Each strip is made of porous, non-woven material with a medical-grade adhesive on one side. When placed across a wound, the strips act like small splints that hold the skin edges together and distribute tension evenly along the cut. This concept dates back to the 1500s, when a French surgeon named Paré created strips of adhesive plaster sewn together to close facial wounds. Modern Steri-Strips refine that same idea with materials designed to breathe, flex with your skin, and stay in place for days.
Multiple strips are placed across the wound about 3 millimeters (roughly 1/8 inch) apart from each other. The spacing matters: it allows the skin between strips to drain any fluid and lets air reach the wound, both of which reduce infection risk and speed healing.
When They’re Used Instead of Stitches
Steri-Strips work best on clean, straight cuts that aren’t too deep. They’re commonly used for minor lacerations, small surgical incisions, and as reinforcement after stitches or staples are removed. You’ll often see them on areas of the body where the skin isn’t under much pulling force, like the forehead, shin, or chest.
They aren’t the right choice for every wound. Cuts on joints (knees, elbows, knuckles) tend to pull apart with movement, and strips alone usually can’t hold them. Deep wounds that go through fat or muscle need stitches. Wounds on oily or sweaty skin, like parts of the scalp or underarms, can cause the adhesive to lose grip. Irregular, jagged wounds also don’t close well with strips because the edges don’t line up neatly.
Cosmetic Results Compared to Stitches
For appropriate wounds, Steri-Strips often leave less visible scars than traditional sutures. A randomized controlled trial comparing Steri-Strips to nylon stitches for surgical incisions found that the strips produced significantly better cosmetic outcomes when scars were evaluated by plastic surgeons 12 weeks later. The strips scored 6.25 on a standardized aesthetic scale (where 4 is the best possible result and 22 is the worst), compared to 7.75 for stitches.
The reason is straightforward: stitches puncture the skin on both sides of a wound, creating their own tiny wounds that can leave the classic “railroad track” marks. Strips sit on the surface and don’t damage surrounding tissue. Neither method in that trial produced any wound infections, so the advantage of strips is primarily cosmetic rather than safety-related.
How to Apply Them
If you’re applying Steri-Strips at home, start by cleaning the wound thoroughly and drying the surrounding skin completely. The adhesive won’t stick to wet or bloody skin. If the cut is still actively bleeding, apply pressure with clean gauze until it stops.
Peel one strip from the backing and place one end on the skin about a centimeter from the wound edge. Gently push the wound edges together with your other hand, then press the strip across the wound and onto the skin on the opposite side. Add additional strips along the length of the wound, keeping about 3 mm of space between each one. Some people add a final strip running parallel to the wound, across the ends of the other strips, to anchor everything in place.
Caring for Steri-Strips After Application
Your healthcare provider may ask you to keep the strips completely dry for a set period after application. If showering is allowed, let the water run gently over the area rather than directing a strong stream at the strips. Don’t soak them in a bath, pool, or hot tub. After getting them wet, pat the area dry with clean gauze or a washcloth. Rubbing can peel the edges up.
Resist the urge to pick at or peel off the strips. They’re designed to fall off on their own as the adhesive loosens over time, typically within 7 to 14 days depending on the location and how much moisture and movement the area gets. If a strip starts to curl at the edges but the wound beneath it looks closed, you can carefully trim the loose edge with clean scissors rather than pulling the whole strip off.
Signs of a Problem
While the wound is healing, watch for redness that spreads beyond the wound edges, increasing swelling, worsening pain (especially after the first day or two), or thick yellow discharge. These are signs of infection that need medical attention. If the wound reopens completely or you see blood seeping through the strips, the closure isn’t holding and you likely need a stronger method like stitches.
A small amount of clear or slightly pink fluid around the strips in the first day or two is normal. What you’re looking for is a change: things getting worse rather than gradually improving. Healthy healing should show less redness, less tenderness, and less drainage each day.