Let’s start with the honest part, because it changes how you’ll read everything below: you cannot make a scar disappear. A scar is the patch of collagen your body lays down to close a wound fast, and once it’s there, it’s there. What you can influence — sometimes a lot — is how flat, pale, soft, and unnoticeable it ends up. That’s a real and worthwhile goal, and it’s where natural care genuinely has a role.
This piece sorts the scar aisle into three honest piles: the one mainstream product that actually has the evidence, the natural options that hold up, and the famous remedy that doesn’t work at all (and can cause its own problem). It’s the companion to Why won’t my wound heal? — that article is about closing the wound; this one is about what to do once it’s closed.
First, timing — the window most people miss
The single biggest factor in how a scar turns out isn’t a product. It’s when you start and how long you stay consistent. Scars remodel for a year or more after the skin closes, and they’re most responsive in the first few months. Starting gentle care once a wound is fully closed — and keeping it up daily for months, not days — beats any miracle ingredient applied half-heartedly. Patience is the active ingredient.
Two things to do from the start cost nothing and matter more than any cream:
Protect it from the sun. Fresh scar tissue has no real defense against UV, and sun exposure can darken a scar permanently. Keep a healing scar covered or under SPF for at least the first year. This is the highest-value, lowest-cost scar habit there is.
Don’t rush it open. Picking, scrubbing, or stretching a healing scar restarts inflammation and makes the final mark worse. Let it close on its own timeline.
The one drugstore product with real evidence: silicone
If you want the honest clinical answer, it’s not a vitamin — it’s silicone gel or silicone sheets. International scar guidelines name silicone the first-line option for preventing and softening raised (hypertrophic and keloid) scars, and a Cochrane review plus later meta-analyses back it for reducing scar height, redness, and stiffness — when used for at least six months. It works by sealing in moisture and normalizing the signals that drive overgrowth. It isn’t a plant, but it’s the benchmark every natural option should be honest about being measured against, so it earns a mention in an almanac that cares about what’s true.
The natural options that actually hold up
Now the plants — ranked by how much evidence stands behind them, not by how good they smell.
Gotu kola (Centella asiatica) — the standout, again. The same herb that leads the wound-healing evidence also leads here. Gotu kola promotes organized collagen and has been studied specifically for calming hypertrophic and keloid scar tissue — it both supports new collagen and helps keep it from piling up in disordered knots. Of everything in this list, it has the most direct scar evidence. Look for a standardized Centella cream or gel, applied to fully closed skin.
Rosehip seed oil — for the remodeling phase. Rosehip seed oil is rich in skin-restoring fatty acids and a natural form of vitamin A, and it’s the carrier most associated with improving the look of scars and stretch marks. Its real job is moisture and pliability: well-hydrated scar tissue remodels softer and flatter than dry, tight tissue. It’s also the perfect base for daily massage (more on that below).
Onion extract — the famous one, honestly. That well-known scar gel in the pharmacy is onion-extract based, and it’s been sold for this for over sixty years. The honest read: the evidence is genuinely mixed. Some trials show modest improvement in redness and texture; others find it no better than plain petroleum jelly for height and itch. If you reach for onion extract, treat it as “might help a little, won’t hurt” — not a sure thing. Often the occlusion and massage of applying any gel daily is doing as much work as the onion.
Aloe, honey, and the skin-repair oils — gentle support. Aloe vera soothes and hydrates; medical-grade honey keeps tissue moist; and the traditional skin-repair essential oils — helichrysum and frankincense especially, with lavender for calming — have a long folk role in scar care and modest supporting research. None are silicone-level proven, but as part of a consistent, well-moisturized routine on closed skin, they’re reasonable and pleasant. Always dilute essential oils in a carrier.
The myth worth naming: vitamin E
Here’s the one to stop doing. Slathering vitamin E oil on a scar is probably the most repeated scar tip in existence — and the evidence simply isn’t there. A systematic review found topical vitamin E on its own does not meaningfully improve scar appearance, and a frequently-cited plastic surgery study found it made no difference and triggered an itchy contact-dermatitis rash in about a third of people who used it. That’s the rare case where a popular “natural” remedy can actively set you back.
This is worth saying plainly because it’s exactly the kind of claim the almanac exists to sort out: vitamin E is a wonderful antioxidant and a fine ingredient in a balm for general skin (it helps preserve oils from going rancid, which is why it appears in small amounts in recipes like the Calendula & Honey Skin-Soothe Salve). But as a standalone scar treatment, the honest answer is no. “Natural” and “antioxidant” aren’t the same as “works for this.”
The practice that ties it together: daily massage
If you do only one active thing for a scar, make it massage — and this is where a natural oil genuinely shines, because it gives your fingers something to glide with. Gentle, firm circular massage of a fully-healed scar for a few minutes a day helps break down and realign the collagen, improves local circulation, and keeps the tissue supple as it remodels. It’s a cornerstone of professional scar therapy, and it’s free.
A simple blend to massage in once the skin is fully closed: a teaspoon of rosehip seed oil (or jojoba if that’s what you have) as the base, with a drop each of helichrysum and frankincense essential oil. Warm a little between your fingers, massage the scar in slow circles for two to three minutes, ideally morning and night. Don’t have the essential oils? The plain carrier oil and the massage itself are doing most of the work.
The full version, with measurements, substitutions, and safety notes, is written up here: the Scar-Softening Massage Oil. Make a small batch in a dark glass bottle and keep it by the sink as your daily reminder.
When a scar needs more than a balm
Most scars are a cosmetic question, but a few warrant a professional. See a dermatologist if a scar is growing beyond the original wound’s borders, becoming raised, hard, and itchy (a possible keloid, which often needs steroid injections or other in-office treatment and tends to resist home remedies), if a scar limits movement across a joint (a contracture), or if you simply want faster, bigger change than topical care can give — lasers, microneedling, and similar procedures genuinely outperform creams for stubborn scars. Natural care and clinical care aren’t rivals here; the oils keep the tissue healthy between whatever else you choose.
So what should you actually do?
Keep it simple and stay consistent. Once the wound is fully closed, protect it from the sun, keep it moisturized, and massage it daily with a natural oil like rosehip seed. If it’s a raised scar you want to flatten, silicone gel is the most proven tool, and gotu kola is the best-evidenced plant to pair with it. Skip the vitamin E. And give it months — scars reward patience more than they reward any single ingredient.
Explore the related entries: Skin · Gotu Kola · Rosehip Seed Oil · Helichrysum · Frankincense. Still healing the wound itself? Start with Why won’t my wound heal? Have a specific scar question? Ask the almanac at /ask.
This article is educational and not a substitute for medical care. Apply topicals only to fully closed, healed skin. See a dermatologist for scars that are growing, raised and hardening (possible keloid), limiting movement, or causing concern.