Thyroidectomy Scar Care: What to Use on a Neck Scar After 45

Quick summary

A thyroidectomy scar is a short horizontal line low on the front of the neck, and it is permanent. Nothing you put on it at home removes it, but the first few months are when it changes most, and the American Thyroid Association puts full maturation at about 12 to 18 months.

Silicone gel, silicone sheets, paper tape and massage are the at-home options with real support behind them. On a neck that moves every time you swallow and that no clothing covers, the question is not which is strongest, but which one you will still be using in month three.

At Genova Skincare we make one of those gels, so read this as a comparison with our product in it rather than a neutral survey. Australian prices were checked on 17 September 2026. Results vary.

Genova Silicone Scar Gel 30ml tube, an Australian-made silicone gel used on thyroidectomy and other surgical scars
One of the options below
Genova Silicone Scar Gel

30ml, silicone gel with VANISTRYL peptide and Ecoskin Probiotic. Dries clear in about 30 seconds, so sunscreen or makeup can go over the top. Made in Australia.

$52.95 AUD one tube covers a neck scar for a full course Shop now →

What a thyroidectomy scar looks like in the first year after 45

The first few weeks are the worst it will look. The line is pink or red, often firm, and the skin around it can feel tight or numb when you swallow or tilt your head back. That is normal, not a sign something has gone wrong.

By around three months the line usually softens and the colour begins to drop, and between six and twelve months it flattens and pales. The American Thyroid Association describes scars as taking about 12 to 18 months to fully mature, and notes that many which look poor early settle a good deal by then.

Women who come to Genova Skincare after thyroid surgery almost all raise the same thing, and it is not the size of the scar. A thyroidectomy scar is short, often four to eight centimetres, but nothing covers it. An abdominal scar lives under clothing. This one is on display in every photo.

Skin also repairs more slowly as estrogen falls through perimenopause and menopause, which may be part of why a scar stays pink longer after 45 than it would have at 25. Thyroid surgery is most common in women of exactly that age, so the two tend to arrive together.

When to start scar care after thyroid surgery

Not until the incision is fully closed: steri-strips or glue gone, no scabs, no gaps, no weeping. For most women that is around two weeks, which is also the rough mark the American Thyroid Association gives for starting gentle massage, but your surgeon sets the date rather than a blog. Starting early is the common mistake, because silicone needs intact skin to form its film on.

Once you are cleared, earlier is better than later. A 2024 review in Frontiers in Physiology looking specifically at thyroidectomy scars calls early intervention a crucial but often neglected part of controlling a raised neck scar, while noting the research here is fragmented. Our guide to when to start scar gel after surgery covers the window in detail.

Thyroidectomy scar options compared for women over 45

Here is the honest field, including the options we do not sell. Prices are Australian, checked on 17 September 2026.

Option What it does Cost in Australia Best suited to The catch
Silicone gel Dries into a thin film that holds water in the upper skin layers $25.99 for 5g (Strataderm) to $52.95 for 30ml (Genova) Visible scars, and anyone who wants sunscreen or makeup over the top Twice a day for months. Easy to forget once the line stops bothering you
Silicone sheets The same film, plus light constant pressure Roughly $30 to $70 per sheet, reusable Scars that can stay covered, usually under clothing Visible above a collar, and it lifts at the edges every time you swallow
Paper or micropore tape Takes tension off the wound edges About $4.99 a roll at Chemist Warehouse Budget scar care where the scar can be hidden Thinner evidence than silicone, obvious on the neck, and adhesive can irritate thin skin
Massage May soften a firm or tethered line and ease tightness Free Everyone, once the incision is fully closed Does nothing for colour, and never on an unhealed wound
Sunscreen Helps stop a new scar darkening permanently $15 to $25 Every Australian with a neck scar, all year It prevents rather than fades. It cannot undo pigment already set
In-clinic options Laser with steroid, or botulinum toxin, for a raised or thickened scar Several hundred dollars upward Scars still thick or red well past the first year Needs a specialist referral and carries its own risks

Two deserve a straight answer. Massage is free and the American Thyroid Association recommends it, so do it whether or not you buy anything: our step-by-step massage guide explains how. And for a scar still raised well after a year, a 2026 review in Aesthetic Plastic Surgery pooling 24 studies found botulinum toxin, and laser with steroid, improved thyroidectomy scar scores more than the comparison groups, though the authors call the studies highly varied. That is a specialist conversation rather than a tube. If you are in the first year and choosing something to apply daily, a gel is the option that fits a neck.

Compare Genova Silicone Scar Gel →

Why a gel suits a neck scar better than a sheet on mature skin

A trial in the Journal of Korean Medical Science compared silicone gel sheets against topical silicone gel on surgical scars, most of them on the head and neck. It found no significant difference in results, and gel scored significantly better for convenience. Twenty five people completed it, so treat it as a pointer rather than proof.

Convenience decides this one. The front of the neck moves with every swallow, which lifts the edges of a sheet, and a sheet at the base of the throat shows above almost any neckline. Neck skin is thin, so daily adhesive can irritate it. A gel that dries clear in about 30 seconds goes under sunscreen, makeup and a necklace, which is what makes twice a day realistic for three or four months.

The evidence for silicone itself is real but modest. A Cochrane review found improvements in scar thickness and colour, while describing the trials as poor quality and highly susceptible to bias. Silicone is the best supported thing you can buy over the counter, and the effect is moderate.

Realistic expectations

Expect a flatter, paler, softer line, not a missing one. Most women notice the first visible change somewhere between six and twelve weeks of consistent twice-daily use, with slower improvement over the months that follow.

Silicone gel cannot shorten the scar, change where your surgeon placed it, release a line that has tethered to the tissue underneath, or undo pigment that has already set from sun exposure. It does not act on the thyroid, the tissue beneath the scar, or anything other than the appearance of the skin surface. Results vary.

How to apply silicone gel to a thyroid surgery scar, step by step

  1. Get your surgeon's clearance, and check the line is fully closed with no scabs or weeping.
  2. Wash the area with a plain cleanser and pat it completely dry. Silicone will not set on damp skin.
  3. Apply a thin layer along the whole line, a little wider than the scar. Thin is correct: a thick layer takes longer to dry and wastes product.
  4. Wait about 30 seconds until it feels dry, then apply sunscreen or makeup over the top as normal.
  5. Repeat morning and night. The American Thyroid Association suggests silicone gel twice daily for three to four months, and longer if the scar is still red or raised.
  6. Use SPF 30 or higher on the scar any day it might see sun, for 12 to 18 months after surgery. With an open collar in Australia that is most days. Our guide to layering sunscreen over silicone scar gel explains the order.
  7. Leave off a chain that rests on the line, or wear it longer, while the scar settles.

Who silicone scar gel suits after thyroidectomy, and who it does not

It may suit you if your incision is fully closed, your scar is pink, firm or slightly raised, you want something invisible that sunscreen and makeup can go over, and you are prepared to apply it twice a day for at least three months.

It is not for you if your wound is still open, weeping or showing signs of infection, if you have a known sensitivity to silicone, or if the scar is thickening and spreading beyond the original line. That last one may be a keloid, and the honest answer is a doctor rather than a tube: we cover the difference in our guide to keloid versus hypertrophic scars. It is also no substitute for the follow-up your surgeon or endocrinologist has arranged. A cosmetic gel works on how the skin surface looks, and nothing else.

Thyroidectomy scar questions women over 45 ask most

How long until my thyroidectomy scar fades?

Most of the change happens between three and twelve months, with full maturation at about 12 to 18 months according to the American Thyroid Association. It fades and flattens, but it does not disappear. Our scar fading timelines by type set out what to expect month by month.

Can I wear makeup over a thyroid scar?

Yes, once the skin is fully closed and any gel has dried, which takes about 30 seconds. A colour-correcting concealer set with powder is the usual approach. Remove it gently at night rather than scrubbing.

Will a silicone sheet stay on my neck?

Often not for long. The neck flexes constantly, so sheets lift at the edges, and one at the base of the throat shows above most necklines. Research suggests sheets and gels perform similarly, so the easier format usually wins here. We compare gel against sheets elsewhere.

My scar is still thick and raised after a year. What now?

Review it with your surgeon or a specialist. Steroid injection, laser and botulinum toxin all have more evidence behind them for a thickened neck scar than anything bought over the counter, and a gel is not the answer to a scar that is actively growing.

If you are a few weeks past surgery and catching sight of a red line every time you pass a mirror, that is the starting point rather than the finished result. The neck is an unfair place to carry a scar because you cannot put a shirt over it. Keep it out of the sun, massage it once you are cleared, and pick the daily option you can honestly see yourself still using in month three.

If a gel is the option that fits your neck scar

Made in Australia, dries clear in about 30 seconds, and goes under sunscreen, makeup and a necklace.

Genova Silicone Scar Gel 30ml for thyroidectomy and other surgical scars Genova Silicone Scar Gel

30ml. Silicone gel with VANISTRYL peptide and Ecoskin Probiotic. One tube covers a neck scar for a full course.

$52.95 AUD Shop now →
Genova Silicone Scar Gel tube beside the complete guide to fading scars Not sure yet? Start with the guide

Our complete guide to fading scars covers every scar type, what silicone can do, and what it cannot.

Free to read Read the guide →

Made in Australia. Results vary from person to person.

Individual results vary. This is a cosmetic product, not a therapeutic treatment, and it does not remove scars. Do not apply anything to an incision that is not fully closed, and follow your surgeon's instructions on timing. Prices listed were checked on 17 September 2026 and change with promotions and retailer. If your scar is growing, painful, itchy, spreading beyond the original line, or if you have new difficulty swallowing or a change in your voice, speak to your GP or your surgeon.

Sources:

  1. American Thyroid Association. Care of the Surgical Incision. Patient brochure, thyroid.org.
  2. Kim SM, Choi JS, Lee JH, Kim YJ, Jun YJ. Prevention of postsurgical scars: comparison of efficacy and convenience between silicone gel sheet and topical silicone gel. Journal of Korean Medical Science. 2014;29(Suppl 3):S249-S253.
  3. O'Brien L, Jones DJ. Silicone gel sheeting for preventing and treating hypertrophic and keloid scars. Cochrane Database of Systematic Reviews. 2013, Issue 9. CD003826.
  4. Hong N, Sheng B, Yu P. Early postoperative interventions in the prevention and management of thyroidectomy scars. Frontiers in Physiology. 2024;15:1341287.
  5. Magboul M, Alqutub A, Fadel H, et al. The efficacy of laser and botox therapies for post-thyroidectomy scar management: a systematic review and meta-analysis. Aesthetic Plastic Surgery. 2026.
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