Butt Acne Scars

Creator: Olav Sie Rotvær
Published: 2026-07-17

By Olav Sie RotværLast updated 17 July 2026How we source this

Almost everyone who searches for butt acne scars actually has something else: flat brown or grey marks left behind after the bumps healed. Those are pigment, not scars, and they fade — slowly, but genuinely, and without a procedure. A true scar is a change in the skin's structure: a dent where tissue was lost, or a raised firm ridge where too much collagen was laid down. Telling the two apart before you spend money is the whole point of this page, because the treatments do not overlap and the one that works on pigment does nothing for texture.

Butt Acne Scars — diagram of the commonly affected area: buttocks — Commonly affected area: Buttocks. Chart: AcneTracker.

How to recognize it

Use light and touch. Run a fingertip over the mark with your eyes closed: if the surface is completely smooth and the only difference is colour, it is post-inflammatory pigmentation and it will fade. If you feel a dip, that is an atrophic scar from lost tissue. If you feel a firm raised ridge, that is hypertrophic scarring — more common on the trunk and buttocks than on the face, because skin under tension heals with more collagen. Side lighting reveals texture that flat overhead light hides, so check in a raking light rather than under a bathroom bulb.

What causes it

Squeezing and picking

The most preventable cause by a wide margin. Forcing a lesion open ruptures it beneath the surface and spreads inflammation into surrounding tissue, which is precisely the input that produces both lasting pigment and structural damage.

Depth and duration of inflammation

Superficial lesions rarely scar. Deep nodules that persist for weeks damage the tissue architecture around them, so the single most effective anti-scarring measure is treating inflammation early rather than waiting to see how bad it gets.

Skin tension on the trunk

Buttock and back skin is thicker and under more mechanical tension than facial skin. That environment favours hypertrophic, raised healing, which is why scars here more often stand proud than sit sunken.

Ongoing friction during healing

A healing lesion that is sat on, rubbed by seams and compressed under tight fabric for eight hours a day is repeatedly re-injured. Prolonged healing means prolonged inflammation, and prolonged inflammation is what marks skin.

Ingredients with evidence

Ingredient	Role
Azelaic acid	Addresses both residual inflammation and excess pigment, which makes it a good fit when marks are still appearing alongside older ones. Generally well tolerated on body skin.
Tranexamic acid	Interferes with the signalling that drives pigment production; useful for stubborn post-inflammatory marks that have stopped responding to exfoliation alone.
Niacinamide	Reduces pigment transfer into surface skin cells and calms lingering inflammation — a low-irritation option for an area that will not tolerate much aggression.
Lactic acid (AHA)	Gradual exfoliation speeds the turnover of pigmented cells and softens texture. Gentler than glycolic acid on skin under daily friction.
Adapalene	A retinoid that accelerates cell turnover and has evidence for improving post-inflammatory pigmentation; slow, and it prevents the next lesion at the same time.

Building the routine

First establish which problem you have, because a serum that fades pigment will do nothing for a dent. For flat marks, the plan is patient and simple: azelaic acid or niacinamide most days, a gentle AHA a couple of times weekly, and time — six months is a realistic horizon for meaningful fading, and marks here are slower than on the face. Add tranexamic acid if progress stalls. Sunlight is rarely the driver on covered skin, so consistency matters more than SPF in this particular location, though exposure at the beach still applies. Above all, stop the next lesion — every new inflamed bump renews the mark you are trying to fade, which is why treating active breakouts is a scar-prevention strategy, not a separate project. For true textural scarring, over-the-counter products have very limited reach and a dermatologist is the honest answer.

When to see a doctor

See a dermatologist if you have true textural scarring — dents or raised ridges — since procedural options such as resurfacing, microneedling or injections are far more effective than topicals, and only a clinician can match a technique to your scar type and skin tone. Book an appointment if marks continue to accumulate despite consistent care, because preventing new lesions matters more than treating old marks. See a dermatologist promptly if scarring follows recurrent painful lumps or abscesses in the crease or groin, particularly with tunnelling or discharge — scarring from that pattern needs assessment rather than a fading serum.

Frequently asked questions

Are the dark marks on my buttocks scars?

Usually not. If the skin is smooth and only the colour differs, it is post-inflammatory pigmentation, which fades over months. A true scar involves a change you can feel — a dent or a raised ridge — and that is a different treatment conversation.

How long do the marks take to fade?

Longer than most people expect. Six months to a year is realistic for post-inflammatory pigment on the body, and this area is slower than the face because it stays under friction and pressure. Every new bump resets the clock.

Why do scars here look raised rather than sunken?

Trunk skin is thicker and under greater mechanical tension, which pushes healing toward excess collagen deposition. Hypertrophic, raised scarring is genuinely more common on the buttocks and back than the pitted scarring typical of the face.

Can I prevent scarring?

Substantially. Do not squeeze, treat inflamed lesions early rather than waiting them out, and reduce friction while they heal. Most permanent marks in this area trace back to a lesion that was forced open or left inflamed for weeks.

Sources & further reading

What this page cites about the condition itself:

Acne scarring — DermNet

There is no single study of this exact question. The guidance here is reasoned from the ingredient profiles below, each of which carries its own references:

Show every reference behind this page (12)

PubChem — Azelaic acid compound summarycited by Azelaic Acid
DermNet — Azelaic acidcited by Azelaic Acid
European Commission CosIng database — Azelaic Acidcited by Azelaic Acid, Niacinamide, Lactic Acid
PubChem — Tranexamic acid compound summarycited by Tranexamic Acid
Tranexamic Acid for Hyperpigmentation Disorders: A Literature Review on Efficacy and Safety in Melasma and PIH. J Cosmet Dermatol 2026 Feb (PubMed)cited by Tranexamic Acid
DermNet — Melasmacited by Tranexamic Acid
Niacinamide: mechanisms of action and its topical use in dermatology (PubMed)cited by Niacinamide
PubChem — Lactic acid compound summarycited by Lactic Acid
DermNet — Alpha hydroxy acidscited by Lactic Acid
PubChem — Adapalene compound summarycited by Adapalene
DermNet — Adapalenecited by Adapalene
FDA — Drugs (over-the-counter acne products)cited by Adapalene

Medical disclaimer

This page is general information about cosmetic ingredients and skin concerns, not medical advice. It is not a substitute for diagnosis or treatment by a qualified doctor or dermatologist. If a skin condition is painful, spreading, scarring or affecting your wellbeing, seek professional care.

Ingredients mentioned on this page

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