Do Acne Scars Go Away on Their Own?

Flat acne marks usually go away on their own, but true acne scars mostly don't. Brown spots often fade within 6 to 12 months and red marks fade over months. Indented scars rarely disappear without treatment, though a share of newly formed ones do resolve in the first months. Retinoids can soften mild texture; deeper scars need in-office procedures.

The rest of this guide covers how long each kind of mark lasts, how to tell a scar from a dark spot, what skincare can and can't do, how to prevent new scars, and a simple monthly photo routine that shows you which spots are fading and which are staying.

Do acne scars go away on their own?

Mostly no. The American Academy of Dermatology (AAD) says that while acne scars can fade, they rarely go away completely on their own, and that the discoloration around a new scar usually fades while the scar itself remains. DermNet takes the same line: acne scars are usually permanent, although they may improve spontaneously over time or with treatment.

There is one useful nuance. In a prospective study that mapped acne lesions in 32 people for six months, new atrophic scars kept forming throughout the study. About two thirds of them (66.2%) had not resolved by the six-month mark, and the rest turned out to be transient. Of the scars still there at six months, 81.7% were still present at a two-year follow-up. A fresh dip in the first few months may still settle, but one that has lasted half a year is very likely to stay.

How long do acne scars last compared with dark spots?

It depends on what the spot is. Flat discoloration is temporary; changes in texture are usually permanent.

The PIH timelines and treatments come from the AAD's dark spots guide; the red-mark timeline and keloid behavior from DermNet; the early-scar figures from the six-month mapping study.

What's the difference between acne scars and dark spots?

A scar changes the texture of your skin; a dark spot only changes its color. The AAD explains that if you see a flat spot of color on your skin when acne clears, this usually isn't an acne scar; it's more likely post-inflammatory hyperpigmentation, which fades over time.

To check a spot at home, run a fingertip across it and look at it with light coming from the side. If it's smooth and casts no shadow, it's a mark. If there's a dip or a bump, it's a scar, even if it's also discolored. Red marks have their own guide, red marks after acne (PIE), and brown ones are covered in how to fade dark spots. If you've found an indent, the types of acne scars explains which shape you have.

Can skincare fix acne scars?

Skincare can soften mild texture, but it won't fill a deep scar. The AAD's treatment guide says that if you have mild acne scarring, a retinoid or salicylic acid can make scarring less noticeable. That's the realistic ceiling for creams and serums.

The best trial evidence for a topical comes from a gel combining adapalene 0.3% and benzoyl peroxide 2.5%. In a 24-week split-face trial in 67 people with moderate or severe acne, the treated side's atrophic scar count fell by 15.5% while the vehicle side's rose by 14.4%. Part of that effect is prevention: clearing inflamed spots stops new scars from forming. One of its authors worked for Galderma R&D, which makes the gel. Participants started with about 12 scars per half face, mostly with moderate acne, so the result says little about deep, long-standing scars.

If you want to try a retinoid, a few cautions from the AAD apply:

• Retinoids should not be used during pregnancy.
• People with moderate or severe acne scarring should see a board-certified dermatologist before trying a retinoid.
• People with darker skin should watch especially closely for irritation, since irritated skin can develop new dark spots.

Our adapalene guide covers how to start one without wrecking your skin barrier.

How can you prevent acne scars?

Treat acne early and leave it alone. The AAD's prevention advice is short:

1. Treat acne when you first notice it. The AAD says preventing acne can prevent acne scars, because mild acne treated early never becomes the deep breakouts most likely to scar.
2. Don't pick, pop, squeeze or scratch. These increase inflammation, and the more inflamed your skin, the more likely a scar.
3. Take family history seriously. A parent or sibling with acne scars raises your own risk, which makes early treatment more important.
4. Don't wait years for proper treatment. In a study of 185 acne clinic patients, facial scarring was present to some degree in 95% of them, and a delay of up to 3 years between acne onset and adequate treatment was linked to how badly people scarred.
5. Watch lingering red marks. In the six-month mapping study, 83% of scars arose from red marks or hyperpigmentation left by earlier spots, and the longer a papule lasted, the higher the scar risk. The authors suggest that red macules be watched closely for scarring.

What removes acne scars if skincare doesn't?

In-office procedures do most of the work for indented and raised scars. The AAD lists chemical peels, fillers, laser resurfacing, microneedling, radiofrequency, platelet-rich plasma as an add-on, and scar surgery for depressed scars, and injections, lasers and prescription medicine for raised ones. Expect several sessions: a mild peel, for example, often means 3 to 5 treatments every 2 to 4 weeks. The AAD also notes that medical insurance does not cover the cost, so ask for a written plan with the number of sessions before you start. Which procedure fits depends on the scar's shape, which is why identifying it first matters.

How do monthly photos help tell scars from slow-fading marks?

Monthly photos show the trend your memory can't. A spot that is lighter in March than in January is a fading mark; a dip that looks the same at month six is a scar. The mapping study above tracked lesions twice a week for two months, then every two weeks to six months; at home, once a month is enough.

1. Pick one setup: the same window, at the same time of day, with no makeup.
2. Take three shots each time: straight on and each side at about 45 degrees, so side light shows texture.
3. Note new breakouts and anything you started or stopped that month.
4. Compare month 1 with months 3, 6 and 12. Fading color is a mark doing its job. An unchanged indent at six months is worth a dermatology visit if it bothers you.

Our guide to tracking acne progress goes deeper on setup.

How can a selfie scan or the ingredient scanner help?

An app makes the monthly routine easier to keep and to compare. Pori takes a selfie in about 10 seconds and returns an overall skin score with separate Pores & Texture and Pigmentation & Tone ratings, plus a before/after comparison and progress charts. If your Pigmentation & Tone score improves month after month while texture stays flat, that fits marks fading over scars that need a different kind of help. Pro also includes an ingredient scanner that flags each ingredient in a product as beneficial, use with caution or avoid for your skin type, which helps when you're choosing a retinoid or exfoliant.

Pori is not a medical device. It can't diagnose scars or tell you which treatment to get, so take your photos to a board-certified dermatologist when you want a plan.

When should you see a dermatologist?

Book a visit if acne is deep, painful or leaving new dips, if a spot thickens or keeps growing months after a breakout, or if scars affect how you feel day to day. The AAD notes that treatment typically begins once acne is under control, so the first visit is often about stopping new scars before treating old ones.