06 March, 2026

If you've just come through a C-section, a joint replacement, or a cosmetic procedure like a tummy tuck or rhinoplasty, there's one question that tends to follow you into recovery whether you want it to or not. Am I going to have a permanent scar?

It's a fair question and an increasingly common one. Search interest in scar care has grown by over 340% in the last two years, and with that surge has come a flood of products making bold promises. Silicone scar tape is everywhere right now, on social media, in surgeon's offices, in recovery forums. But does it actually do anything, or is it just one more thing added to an already exhausting post-op routine?

This guide cuts through the noise. We're going to look at the clinical science behind how silicone works, settle the tape versus gel debate once and for all, and give you a realistic picture of what 90 days of consistent use actually looks like.

What Is Scar Tape and How Does It Work?

To understand why scar tape works, you first need to understand why scars become problematic in the first place.

When your skin is wounded, the body works fast to close the gap. In that rush, it often overproduces collagen and loses moisture through the damaged skin barrier, a process called transepidermal water loss, or TEWL. That moisture loss signals the body to send even more collagen to the area. The result is a thick, raised, or discoloured scar that goes well beyond what's needed to close the wound.

Silicone tape interrupts that cycle through three distinct mechanisms.

The first is occlusion, which essentially means hydration. Silicone is semi-permeable, so it traps moisture against the scar while still allowing the skin to breathe. That sustained hydration communicates to your body that the area is adequately hydrated, which in turn reduces the signal to keep producing excess collagen.

The second is compression. The physical presence of the tape applies gentle, consistent pressure to the scar tissue. This helps flatten raised scars over time and also prevents the skin from stretching during movement, which is one of the leading causes of scars widening as they heal.

The third is temperature regulation. Research suggests that silicone modestly increases the temperature of the scar tissue beneath it, which assists in breaking down the excess collagen fibres responsible for that lumpy, raised texture.

NanaCare Silicone Scar Tape uses medical-grade silicone that mirrors the natural barrier function of healthy skin. Not all silicone tapes on the market meet that standard, which is why the product you choose genuinely matters.

Does Scar Tape Actually Reduce Scars? What the Clinical Evidence Says

You don't have to take anyone's word for it. The medical community reached a consensus on this a long time ago.

Silicone sheeting has been the gold standard for non-invasive scar management for over 30 years. Research published in the Journal of Cutaneous and Aesthetic Surgery found that silicone gel sheeting significantly reduced the height and redness of hypertrophic scars and keloids in more than 80% of patients studied. That is not a small or isolated finding. It reflects decades of consistent results across a wide range of scar types and patient demographics.

Ask any plastic surgeon or dermatologist what they recommend for post-operative scar care and silicone tape will almost always be the first thing out of their mouth. The reason is simple: it is the only topical treatment with that volume of peer-reviewed data behind it. Everything else is catching up.

It's worth noting that scar tape is just one part of a broader recovery toolkit. If you've recently had surgery, our Complete Home Wound Care Guide covers everything from cleaning an incision correctly in the early days to choosing the right dressings before your scar is ready for silicone.

Scar Tape vs Silicone Gel: Which One Is Actually Better?

This is one of the most searched questions in the scar care space, and the honest answer is that it depends on where your scar is and what your daily life looks like.

Both products use silicone as the active ingredient, so the fundamental mechanism is the same. Where they differ is in delivery and practicality.

Tape provides physical compression, which gel cannot. Compression is what helps flatten raised and hypertrophic scars over time. Tape also stays in place for 12 to 24 hours without reapplication, acts as a physical barrier against clothing friction, and works continuously throughout the day and night. Gel, by contrast, needs reapplying two to three times a day, can rub off on clothing, and provides no compression benefit.

Where gel has the advantage is on exposed areas like the face or around joints, where tape may be more visible or less comfortable. Gel is transparent and easier to apply in those locations.

The practical conclusion most surgeons land on is this: for covered surgical scars such as C-sections, tummy tucks, breast augmentations, and orthopaedic incisions, tape is the stronger option. For facial scars or areas where tape is awkward to wear during the day, gel works well during daylight hours, with many patients switching to NanaCare Silicone Scar Tape overnight for maximum benefit while they sleep.

When to Start Using Scar Tape After Surgery

Timing matters significantly here. Scar tape should never be applied to an open or unhealed wound. Starting too early risks trapping bacteria beneath the silicone before the wound has properly closed.

The right time to begin is once the incision is fully closed and dry, any scabs have naturally fallen away on their own, and any sutures or staples have been professionally removed. For most surgical procedures, this falls somewhere between two and four weeks post-op.

The reason timing matters beyond just safety is that scar tissue goes through a remodelling phase in the months after surgery. This is the window when the scar is most responsive to intervention. Starting within that phase gives silicone tape the best possible conditions to work in. Waiting too long doesn't make it ineffective, but you'll be working against tissue that has already begun to set.

If you've had a rhinoplasty specifically, the post-op timeline is slightly different. We cover the full recovery process, including when to start scar management alongside nasal taping, in our guide on how to tape your nose after rhinoplasty.

How to Use Scar Tape: A Step by Step Guide

The application process is straightforward, but consistency and technique are what separate noticeable results from disappointing ones.

Prepare the skin: Wash the scar area with a mild, oil-free cleanser and make sure the skin is completely dry before you begin. Any oil, lotion or residue on the skin will prevent the silicone from adhering properly, and the tape will start lifting within hours.

Cut to size: Measure and cut the tape so it extends roughly half an inch beyond the edges of the scar on all sides. This overlap ensures full coverage and gives the adhesive enough surface area to hold.

Apply without stretching: Remove the backing and lay the tape flat directly onto the scar. Do not pull or stretch it during application. Applying it under tension creates discomfort and can cause the edges to lift prematurely.

Build up wear time gradually: In the first few days, wear the tape for four to eight hours to allow your skin to adjust. Over the following week, increase this until you're wearing it for 12 to 23 hours a day. The longer the daily contact time, the better the results.

Wash and reuse: NanaCare Silicone Scar Tape is reusable. Gently wash the adhesive side with warm water and mild soap, allow it to air dry completely, and it will regain its adhesion. A single piece typically lasts seven to ten days before it needs replacing.

Week 1 to Month 3: What to Realistically Expect

Scar healing is slow. Anyone who tells you otherwise is selling something. But with consistent use, the changes that accumulate over 90 days are often striking. Here is an honest picture of what that progression looks like.

Weeks 1 and 2: Don't expect to see much visually at this stage. What most people notice first is a reduction in discomfort. The itching and tightness that characterise early scar healing tend to ease significantly once silicone tape is in place. The scar may not look different yet, but it will feel better.

Month 1: By the end of the first month, the texture of the scar typically starts to change. It begins to feel softer and less rigid to the touch. The deep angry redness common in fresh surgical scars starts to shift toward a darker, more settled pink.

Month 2: This is when the most visible changes usually begin. For raised or hypertrophic scars, you should see a noticeable reduction in height. The edges of the scar start to blend more naturally with the surrounding skin rather than sitting proud of it. The silicone's collagen-regulating effect is clearly doing its work by this point.

Month 3: After 90 days of consistent daily use, the scar's overall appearance should be substantially improved. The colour will have faded significantly, the texture should be considerably smoother, and the raised quality that many surgical scars start with should be largely resolved.

One important note: for scars that are more than a year old, this timeline extends. Older scar tissue is more established and less responsive, so expect to wear the tape for four to six months before seeing the same level of improvement. It still works, it just takes longer.

Best Scar Tape for C-Section, Surgical Scars and Keloids

Different scars present different challenges, and understanding those differences helps set realistic expectations.

C-section scars sit along a horizontal line across the lower abdomen, exactly where waistbands, leggings and jeans sit throughout the day. That constant friction is one of the reasons C-section scars can become raised or thickened. NanaCare Scar Tape acts as a protective second skin over that area, eliminating friction while simultaneously hydrating and compressing the scar tissue beneath.

Keloids are a different challenge entirely. Because they're aggressive by nature and tend to grow beyond the original wound boundaries, they require sustained, around-the-clock compression to bring under control. NanaCare's adhesive is strong enough to stay in place for extended wear periods without causing irritation, which is exactly what keloid management demands.

For longer incisions from procedures like tummy tucks or body contouring surgeries, the main practical challenge is keeping the tape flat across a large surface area. Medical-grade silicone is flexible enough to move naturally with the body, which prevents the rolling and bunching that lower-quality tapes struggle with over long incisions.

In the weeks before your incision is ready for scar tape, a transparent film dressing is often the most practical way to protect the wound and keep it dry during bathing. Our guide on how to apply transparent film dressing walks through the full process step by step.

FAQ: Real Questions About Scar Tape

Is scar tape safe to use during pregnancy?

Yes. Medical-grade silicone is chemically inert, meaning it doesn't react with the skin or get absorbed into the bloodstream. Many women use it on previous C-section scars during subsequent pregnancies, both to manage the existing scar and to help with the stretching sensations that come with a growing bump.

Can I use it on old scars?

Absolutely. Silicone tape works on scars of any age, though it is most effective on scars under six months old when the tissue is still actively remodelling. For older scars, the same results are achievable but the timeline is longer. Plan for four to six months of consistent daily use rather than 90 days.

Can I shower with scar tape on?

NanaCare tape is water-resistant, but for the best longevity and adhesion, the recommended approach is to remove it before bathing, wash the scar area gently, dry thoroughly, and reapply once the skin is completely dry. Prolonged exposure to hot water can soften the adhesive over time and shorten how long each piece lasts.

What if I have a reaction to the adhesive?

If your skin is particularly reactive, start with just two hours of wear per day and increase slowly over the first week. A defined red rash that mirrors the exact shape of the tape usually points to an adhesive sensitivity. If that happens, stop use and allow the skin to settle. You may find it helpful to use the NanaCare Hydrocolloid Dressing Kit during the initial healing stages before transitioning to silicone tape once the skin has had a chance to stabilise.

How long do I need to wear it each day to see results?

The research suggests that a minimum of 12 hours of daily contact is needed for meaningful results. Many patients aim for closer to 20 hours a day, wearing the tape overnight and throughout most of the day. The more consistent the contact time, the faster and more pronounced the improvement.

Will it work on my specific scar type?

Silicone tape has clinical evidence behind its use on hypertrophic scars, keloids, post-surgical scars, C-section scars, burn scars and stretch marks. It works across a wide range of scar types because the underlying mechanism, hydration and compression, addresses the root cause of most problematic scar formation rather than the surface appearance.

The Bottom Line

Scar tape works. Unlike the wave of miracle creams and unproven serums that have flooded the market on the back of the scar care boom, silicone tape is backed by more than three decades of clinical research and consistent surgeon recommendation. It is not a quick fix and it is not magic. What it is, is the best non-invasive option available for improving how a surgical scar heals, and the evidence to support that is substantial.

The one variable that determines whether you get a good result or a great one is consistency. Wearing the tape most days will produce some improvement. Wearing it daily, building up to 20 or more hours a day, and staying committed for the full 90 days or beyond is what produces the kind of results that genuinely change how a scar looks and feels long-term.

If you're still in the earlier stages of wound healing and not yet ready for scar tape, start with our Complete Home Wound Care Guide to make sure the foundation is right before you move on to scar management. Getting the early stages right makes everything that follows more effective.