The Acne Guide

How acne scars are treated, and what results are realistic.

Acne scar treatment is real and can meaningfully change how your skin looks, but it works in stages over months, not overnight. Here's how Pink actually treats rolling, boxcar and icepick scars, and an honest answer to whether scarring can ever fully disappear.

By Pink Clinical Team Medically reviewed by Pink Clinical Team, Treating acne and acne scarring across Fitzpatrick I-VI Published 28 September 2026 Last reviewed 28 September 2026 9 min read
Individual response to scar treatment varies. This article describes realistic, course-based outcomes and is not a substitute for an in-person assessment of your scarring.
Close up portrait of a young woman with long dark hair in low light
Scar revision at Pink is a treatment plan, not a single visit. Progress is assessed and adjusted at every session.

If you've spent any time searching for acne scar treatment, you've probably read the same handful of phrases over and over: lasting improvement, smoother clearer skin, dramatic results. What you probably haven't read is a straight answer to the two questions that actually matter to you. What does the treatment do, mechanically, to the scar you see in the mirror. And how much can genuinely change, given that you may have already spent money, time and hope on this before.

This page is written for the second question as much as the first. You may be years into this. You may have tried something that didn't work, or made things worse, or cost more than it should have for what you got back. That history is a reasonable reason to want plain language instead of another polished promise.

So here is Pink's approach in full: what each of the treatments actually does, why a particular one suits a particular kind of scar, and what a realistic course of improvement looks like when it's assessed honestly rather than sold optimistically.

Are acne scars permanent?

True atrophic scarring, the kind left by rolling, boxcar or icepick scars, represents a genuine and lasting change in the skin's architecture. Collagen was lost or restructured during healing, and that change in the deeper tissue doesn't reverse itself on its own.

What treatment does is work with that architecture rather than pretend it isn't there. Over a course of sessions, the visible depth and texture of a scar can be meaningfully reduced, sometimes substantially, through resurfacing, remodelling and targeted collagen stimulation. That's a genuine, lasting improvement in appearance. It is not the same as saying the scarring is erased or that the skin returns to a pre-acne state. If a page promises an outcome like that, ask what it's actually describing, because it usually isn't the scar disappearing.

We think this distinction matters more than most clinics are willing to say out loud. A course of treatment can change how your skin looks and how it feels to look in the mirror. It doesn't erase the scarring, and no honest description of scar revision should suggest it does.

Why does scar treatment need to match the type of scar?

Not all acne scarring looks or behaves the same way beneath the surface, and this is the single biggest reason generic "acne scar treatment" disappoints people. A narrow, deep icepick scar and a wide, shallow rolling depression are structurally different problems, and the same tool doesn't suit both equally well.

If you haven't worked out which type (or types) of scarring you actually have, our companion guide on identifying which scar you have walks through the visual differences between rolling, boxcar and icepick scarring before you read further here. This page picks up from there and focuses on treatment and realistic outcomes rather than re-covering that ground.

Pink's approach is to match the mechanism of treatment to the mechanism of the scar, using our own toolkit, rather than offering one device as a catch-all answer.

How Er:YAG fractional resurfacing works for rolling and boxcar depth

Fractional Er:YAG resurfacing at 2940nm works at the surface of the scar. It creates a precise pattern of microscopic treatment columns across the treated area, each one triggering the skin's own healing and remodelling response around it. The untreated tissue between columns supports faster recovery, while the treated columns stimulate new collagen and gradually resurface the irregular texture that rolling and shallow-to-moderate boxcar scarring create.

This fractional approach suits the kind of depth most rolling and boxcar scarring occupies: broad enough that resurfacing the overlying architecture makes a visible difference to texture and light reflection, which is a large part of how a scar reads at social distance. Results build progressively across a course, as columns heal and collagen continues remodelling in the months following each session.

How Q-Switched Fractional Nd:YAG and FRAC3 remodel at depth

Where scarring extends deeper into the dermis, or where skin tone means a more surface-focused laser carries more risk, Pink uses Q-Switched Fractional Nd:YAG at 1064nm and FRAC3 long-pulsed Nd:YAG. Both work by reaching further into the dermis than a purely surface treatment, stimulating collagen remodelling from within rather than resurfacing from above.

The 1064nm wavelength is a deliberate choice: it passes through epidermal melanin rather than being drawn to it, which is why this pairing suits a genuinely wide range of Fitzpatrick skin types when parameters are set appropriately at consultation. For scarring with a textural, depth-related component below what surface resurfacing alone can influence, this depth-focused pairing does work that a purely superficial approach can't.

Why TCA CROSS is used only for icepick scarring

Icepick scars are narrow, and that narrowness is exactly why they behave differently to every other scar type on this page. A fractional laser treating the surrounding skin in a broad pattern will do very little to a channel that's only a millimetre or two wide and considerably deeper than it is wide. Icepick scars need something applied precisely into that narrow channel, not around it.

TCA CROSS is a focal technique: a concentrated application of trichloroacetic acid placed directly and only into the floor of the individual scar channel, spot by spot. It works by triggering controlled tissue response and collagen production specifically within that narrow track, while the surrounding normal skin is left untouched. This is why TCA CROSS is used only where icepick scarring has been identified, rather than as a general resurfacing step: it's a tool shaped for one specific kind of scar architecture, and using it outside that context wouldn't reach the actual problem.

Where PinkRX peel support fits in

Alongside the energy-based treatments, PinkRX peels support the skin during a scar revision course rather than driving the structural change on their own. Peels help manage surface tone and texture between sessions and support the skin's recovery as it moves through a resurfacing or remodelling course, particularly where post-inflammatory marks accompany true scarring. Your clinician will fold peel support into your course where it earns its place, not as a default add-on.

What does a course of scar treatment actually look like?

Scar revision at Pink is staged, not single-visit. A course is typically built across several sessions, spaced weeks apart to give the skin time to heal and collagen time to remodel between treatments. Your clinician assesses progress at each session and adjusts the approach from there, because how your skin responds is individual and isn't fully predictable from a chart.

Visible change tends to build gradually rather than arrive all at once. Early sessions often show initial softening of texture; more meaningful change in depth and appearance typically becomes apparent as a course progresses, with continued remodelling happening in the months after treatment as your skin's own collagen production continues. This is a genuinely staged process, and being told otherwise, that one session will transform deep scarring, is one of the more common ways patients end up disappointed elsewhere.

If your scarring involves more than one architecture (a mix of rolling and icepick scarring is common, for instance), your course may combine these approaches within Pink's own toolkit, matched to what's actually present on your skin rather than applied as a single blanket treatment.

Book your free consultation and we'll assess your scarring in person before recommending anything.

What can I realistically expect from treatment?

This is the part most pages skip, and it's the part we think matters most. A course of Er:YAG resurfacing, Q-Switched Fractional Nd:YAG, FRAC3 or TCA CROSS, individually matched to your scarring, can produce a genuinely visible improvement in texture, depth and how your skin reads in everyday light. For many people, that translates into makeup applying more evenly, feeling more comfortable in photographs, or simply noticing the mirror differently than they used to.

What it won't do is return skin to a state with no history of scarring at all. Improvement happens across a range, it happens over a course measured in months rather than weeks, and how much any individual person sees depends on the depth and type of their scarring, their skin, and how consistently a course is followed through. Your clinician will talk through what's realistic for your specific presentation at consultation, rather than quoting a number that applies to scarring in general, because it doesn't.

We'd rather tell you this plainly now than have you discover it after a course you weren't expecting to take months. That's the whole point of writing this page the way we have.

Frequently Asked Questions

Are acne scars permanent?

True atrophic scarring (rolling, boxcar and icepick scars) is a lasting change in the skin's architecture, and that underlying change doesn't reverse on its own. Treatment works with that architecture to reduce the scarring's visibility, sometimes substantially, over a course. It's a genuine, long-term improvement in how the skin looks, not an erasure of the scarring or a return to skin with no history of it.

How many sessions does acne scar treatment usually take?

Scar revision is a course, not a single visit. Most treatment plans involve several sessions spaced weeks apart, with your clinician assessing progress and adjusting the approach at each one. Exact session numbers depend on the depth and type of scarring present, which is why Pink sets this at consultation rather than quoting a fixed number for every presentation.

Will treatment completely remove my scars?

No, and we'd rather say that clearly than let you find out later. Full clearance of deep atrophic scarring isn't a realistic goal for any treatment. What's realistic is meaningful, visible improvement in texture and depth, built up over a course and individual to your skin.

Does the same treatment work for every type of scar?

No. Rolling and boxcar scarring, which sit broader and shallower, respond well to fractional resurfacing that works across the treated area. Icepick scars are narrow and deep, and need a focal technique like TCA CROSS applied directly into the individual channel. Matching the technique to the scar type is central to how Pink builds a plan, rather than treating all scarring the same way.

Is scar treatment suitable for darker skin tones?

Pink's toolkit includes wavelengths, like Q-Switched Fractional Nd:YAG at 1064nm, that are suited to a wide range of Fitzpatrick skin types because they aren't drawn to epidermal melanin the way some shorter wavelengths are. The specific combination and parameters used are always set at consultation based on your individual skin, not applied as a fixed protocol regardless of tone.

How soon will I see a difference?

Change tends to build gradually across a course rather than appear after one session. Some softening in texture can be noticeable early on, with more visible improvement in depth and appearance typically developing as sessions progress and collagen continues remodelling in the months that follow.

How acne scars are treated, and what results are realistic.
Scar revision is measured across a course, not a visit. Each session reworks a little more of the surface while the skin remodels between them.

Book Your Free Consultation

If you've read this far, you already know the honest version of what scar treatment can and can't do. The next step is having your specific scarring assessed in person, so your course is matched to what's actually there rather than to a general description.

Book your free consultation, easy and no obligation, or read more about the full course of treatment on Pink's Acne Scar Revision page.