Can acne scars go away on their own?

Flat marks often do. Red post-inflammatory erythema usually fades over several months, and brown post-inflammatory hyperpigmentation can take months to a year or more. True scars that change skin texture, such as icepick, boxcar, and rolling scars, generally don't disappear on their own, though they can become less noticeable. Professional treatments are the most reliable way to improve them.

What is the fastest way to fade dark spots after acne?

Daily broad-spectrum SPF 30+ sunscreen matters most, because sun exposure keeps darkening spots. Add a proven ingredient such as adapalene, azelaic acid, niacinamide, or vitamin C, introduced one at a time to avoid irritation. Expect visible improvement over 8 to 12 weeks. For stubborn spots, a dermatologist can prescribe stronger options or recommend in-office treatments.

Can skincare products fix indented acne scars?

Not in a meaningful way. Indented scars are caused by lost collagen, and no cream can rebuild that tissue. Topical retinoids may slightly improve texture over many months. Noticeable improvement usually requires procedures such as microneedling, fractional lasers, subcision, TCA CROSS, punch techniques, or dermal fillers, chosen to match the scar type.

How many microneedling sessions do acne scars need?

Most people need about three to six professional sessions spaced roughly four to six weeks apart, and collagen keeps remodeling for months after the last one. Results are gradual and partial: scars become shallower rather than vanishing. Microneedling works best for rolling and shallow boxcar scars and is often combined with other treatments for deeper scars.

Are lasers safe for acne scars on dark skin?

They can be, but device choice and settings matter. Medium and deep skin tones have a higher risk of post-inflammatory hyperpigmentation after aggressive ablative lasers and deep peels. Options like microneedling and carefully chosen non-ablative lasers are often preferred. See a dermatologist experienced in treating skin of color, who can adjust treatment and pre-treat pigmentation if needed.

How to Get Rid of Acne Scars: What Works for Each Scar Type

How you get rid of acne scars depends almost entirely on what kind of mark you're looking at. Flat red, purple, or brown spots left behind after a breakout aren't true scars: they're temporary discoloration that usually fades over months, and the right OTC ingredients plus daily sunscreen can speed that up. Indented scars (icepick, boxcar, rolling) and raised scars are actual changes in the skin's collagen, and creams alone can't fill them in. Those respond to in-office treatments such as microneedling, lasers, chemical peels, subcision, and fillers.

So the first job is honest identification. The second is stopping new scars from forming, because no treatment works well while active acne keeps creating fresh damage. The third is choosing treatments that match your scar type and skin tone, and giving them enough time: most scar treatments need several sessions spaced weeks apart, with results judged over months, not days.

This guide walks through each step, what realistically works at home, what a dermatologist can offer, and how to avoid making things worse.

Acne marks vs. acne scars: know which one you have

Most people searching for "acne scars" are actually dealing with acne marks. The difference matters, because the treatment plans barely overlap.

Post-inflammatory hyperpigmentation (PIH) shows up as flat brown, tan, or dark gray spots where a pimple used to be. Inflammation triggers extra melanin production. PIH is more common and longer-lasting in medium and deep skin tones, and sun exposure darkens it.

Post-inflammatory erythema (PIE) looks like flat pink, red, or purplish spots. It comes from dilated or damaged small blood vessels rather than pigment, so it's more noticeable on lighter skin. A quick check: press a clear glass against the spot. If the color briefly blanches (fades) under pressure, it's likely PIE.

True scars change the skin's texture. Run a finger over the area or look at it in side lighting. If there's a dip, pit, or bump, you're dealing with a scar:

Icepick scars: narrow, deep, pinpoint holes, like the skin was punctured with a sharp tool.
Boxcar scars: wider depressions with sharp, defined edges, often on the cheeks and temples.
Rolling scars: broad, shallow, wave-like dips with soft edges, caused by fibrous bands tethering the skin to deeper tissue.
Hypertrophic and keloid scars: raised, firm scars. Hypertrophic scars stay within the original wound; keloids grow beyond it. They're more common on the chest, back, shoulders, and jawline.

Many people have a mix. Mild rolling scars plus lingering PIH is a very common combination, and it's fine to treat both at the same time.

Step one: get active acne under control

This sounds obvious, but it's the step most people skip. Every new inflamed breakout is a new chance for a mark or scar, and procedures like lasers or peels are usually postponed while acne is active.

What helps:

Treat early. Deep, painful nodules and cysts are the breakouts most likely to scar. They don't respond well to spot treatments, so don't wait months to get help for them.
Hands off. Picking, squeezing, and popping push inflammation deeper and raise the odds of both PIH and pitted scars.
Use proven acne ingredients. Benzoyl peroxide (2.5–5% is usually enough), adapalene 0.1% gel (available OTC in the US), salicylic acid (0.5–2%), and azelaic acid all have a role. If your pores and blackheads are part of the picture, our guide on how to get rid of blackheads covers the details.
Escalate if needed. If OTC products haven't helped after about 8–12 weeks, or you're getting cysts, a dermatologist can prescribe stronger topical retinoids, oral antibiotics, hormonal therapy, or isotretinoin.

How to fade dark spots and red marks (PIH and PIE)

The good news: flat marks usually fade on their own. PIE often improves over several months; PIH can take anywhere from a few months to a year or more, especially on deeper skin tones. The goal of treatment is to speed that up and keep it from getting darker.

Daily sunscreen is non-negotiable

UV exposure keeps stimulating pigment and slows fading. Use a broad-spectrum SPF 30 or higher every morning and reapply when you're outdoors. For PIH, tinted mineral sunscreens with iron oxides add protection against visible light, which can also darken pigmentation.

Ingredients with reasonable evidence for PIH

Retinoids: adapalene 0.1% or a retinol serum speeds up cell turnover and helps pigment shed. Start 2–3 nights a week and build up.
Azelaic acid: 10% OTC (15–20% by prescription) targets both acne and discoloration, and it's generally well tolerated by darker skin tones.
Niacinamide: 2–5% helps reduce pigment transfer and is gentle enough for daily use.
Vitamin C: L-ascorbic acid around 10–20%, applied in the morning under sunscreen.
Alpha arbutin, kojic acid, tranexamic acid: common in brightening serums. The evidence is smaller but promising, and they're usually low-irritation.
Gentle exfoliating acids: glycolic or lactic acid a few times a week. Don't stack them aggressively with retinoids.

A dermatologist can prescribe hydroquinone or combination creams for stubborn PIH, but these need supervision and time limits.

What helps PIE

PIE is harder to fade with creams because the problem is blood vessels, not pigment. Calming the skin helps: avoid harsh scrubs, keep your barrier healthy, and use sunscreen. Niacinamide and azelaic acid may help modestly. For persistent redness, vascular lasers such as pulsed dye laser (PDL) or intense pulsed light (IPL) are the most effective options. Brightening products aimed at melanin won't do much for red marks.

A key warning for darker skin tones: irritation itself causes PIH. Over-exfoliating, strong peels done at home, or harsh scrubs can create new dark spots. Introduce one active at a time and back off if your skin stings or peels.

What actually works for indented (atrophic) scars

Indented scars are a collagen problem. No serum can rebuild lost tissue in a meaningful way, though topical retinoids may slightly improve texture over many months. For visible change, in-office procedures are the reliable path. Most people need a combination of treatments over several months.

Treatment comparison by scar type

Treatment	Best for	Typical sessions	Downtime	Notes
Microneedling (with or without radiofrequency)	Rolling, shallow boxcar	3–6, ~4–6 weeks apart	1–3 days of redness	Lower risk of PIH; often suitable for darker skin
Fractional non-ablative laser	Rolling, boxcar	3–5	1–3 days	Gradual collagen remodeling
Fractional ablative laser (CO2, erbium)	Boxcar, moderate–severe scarring	1–3	About 1 week or more	Stronger results; higher PIH risk in deeper skin tones
TCA CROSS (high-strength acid applied into the scar)	Icepick, narrow boxcar	2–4	Small scabs for about a week	Done only by a professional
Punch excision or punch elevation	Deep icepick, deep boxcar	Usually 1	Stitches, 1–2 weeks	Replaces a pit with a small, flatter scar
Subcision	Rolling	1–3	Bruising, 1–2 weeks	Releases the bands pulling skin down
Dermal fillers	Rolling, soft boxcar	Repeat as filler breaks down	Minimal	Immediate but temporary with most fillers
Medium-depth chemical peels	Shallow scars plus discoloration	Several	About a week of peeling	Choice of peel depends on skin tone

How dermatologists combine them

A common plan for mixed scarring looks like this: TCA CROSS or punch techniques for the deepest icepick scars, subcision to release rolling scars, then a series of microneedling or fractional laser sessions to smooth the overall surface. Fillers may be added for quick improvement in rolling scars.

Expect improvement, not erasure. A realistic target is scars that are noticeably shallower and less visible in normal lighting. Your dermatologist should set expectations before you start and adjust the plan for your skin tone, since some lasers and peels carry a higher risk of pigment changes on medium and deep skin.

A note on at-home microneedling

Home dermarollers use shallow needles that don't reach deep enough to remodel scars meaningfully, and they carry real risks of infection and irritation if not sterilized properly. If you want microneedling for scars, a professional treatment is safer and more effective.

Treating raised scars (hypertrophic and keloid)

Raised scars need the opposite approach: reducing excess collagen rather than building it.

Silicone gel or sheets: the first-line at-home option. Use daily for at least 2–3 months, ideally 12+ hours a day for sheets.
Corticosteroid injections: a dermatologist can inject steroid into the scar every few weeks to flatten it and relieve itching.
Other in-office options: cryotherapy, laser treatment, and in some cases surgical removal combined with injections or other therapy to reduce recurrence.

If you tend to form keloids, tell any provider before a procedure. Keloids can recur after treatment, and some procedures may trigger new ones.

A realistic at-home routine for acne marks and scars

Because the right products depend on your skin type, sensitivity, and whether you're still breaking out, there's no single routine that suits everyone. If you're unsure where to start, our free 3-minute skin assessment builds a personalized routine around your skin type and concerns.

A sensible baseline looks like this:

Morning

Gentle cleanser
Vitamin C or niacinamide serum
Lightweight moisturizer
Broad-spectrum sunscreen, SPF 30+

Evening

Gentle cleanser
Retinoid (adapalene or retinol), 2–3 nights a week to start
Azelaic acid on alternate nights, or layered once your skin tolerates both
Moisturizer

Not sure which order to layer actives in? See our guide to skincare routine order. And if you don't know whether your skin is oily, dry, or combination, start with how to know your skin type, because it changes which textures and strengths will work for you.

Give any new routine 8–12 weeks before judging results. Take photos in the same lighting every few weeks; changes in marks are slow enough that you can easily miss progress day to day.

Mistakes that make acne scars worse

Picking at scabs or marks. It prolongs inflammation and deepens both pigment and texture damage.
Skipping sunscreen. Probably the biggest reason dark spots linger.
Using too many actives at once. Stacking acids, retinoids, and scrubs damages the skin barrier and can create new PIH.
DIY remedies. Lemon juice, baking soda, and undiluted essential oils irritate skin and can cause burns or more discoloration. Evidence that they fade scars is lacking.
High-strength peels or acids at home. Professional-strength TCA belongs in a clinic.
Expecting overnight results. Products marketed as "erasing" scars in days overpromise.

When to see a dermatologist

Book an appointment if:

You have any indented or raised scars you want treated. Procedures are the main effective option.
Your acne is cystic, painful, or leaving new scars, even if it's mild otherwise.
Dark spots haven't improved after 3–4 months of consistent sunscreen and OTC treatment.
A scar is growing, itching, or spreading beyond the original spot, which can suggest a keloid.
You have medium or deep skin and are considering lasers or peels. Choosing the right device and settings matters for avoiding pigment problems.

The NHS also has an overview of acne treatment and when to seek help if you want a second reference.

Bottom line

Start by figuring out what you have. Flat brown or red marks usually fade with time, sunscreen, and ingredients like retinoids, azelaic acid, niacinamide, and vitamin C. Indented scars need professional treatment, often a combination of microneedling, lasers, subcision, TCA CROSS, or fillers matched to each scar type. Raised scars respond to silicone and steroid injections. Above all, control active acne first and be patient: meaningful improvement takes months, but it is achievable for most people.

This article is for general informational purposes and does not constitute medical advice. If you have a persistent or severe skin concern, consult a board-certified dermatologist.