Back Acne (Bacne): Causes, Treatment and Prevention

Back acne, often called bacne, is one of the most common forms of body acne. Although it is frequently hidden beneath clothing, it can be just as frustrating and distressing as acne on the face. In some cases, back acne can even be more persistent because the skin on the back is thicker and contains a higher concentration of oil glands.

The good news is that back acne is well understood, and with the right approach, it can often be successfully managed.

What is back acne?

Back acne is acne that develops on the upper or lower back. Like facial acne, it occurs when hair follicles become blocked with excess oil, dead skin cells and bacteria, leading to inflammation.

Back acne can range from small blackheads and whiteheads to larger inflamed spots, painful nodules and cystic acne. More severe cases may leave permanent scars if left untreated.

Why do I get acne on my back?

The back contains a high density of sebaceous (oil) glands, making it particularly prone to acne.

Several factors can contribute to breakouts, including:

Excess oil production.
Blocked pores.
Sweat remaining on the skin after exercise.
Friction from backpacks, sports equipment or tight clothing.
Heat and non-breathable fabrics trapping moisture against the skin.

These factors do not directly cause acne but can make existing acne worse by increasing irritation and inflammation.

Why is back acne often more stubborn?

Many people find that back acne is harder to control than facial acne.

This is because:

The skin on the back is naturally thicker.
Oil glands are generally larger and more active.
Breakouts often develop deeper beneath the skin.
The area is more difficult to reach and care for consistently.

These factors mean that improvements can sometimes take longer to become noticeable.

Can back acne cause scars?

Yes.

Deep or inflamed back acne can damage the deeper layers of the skin, increasing the likelihood of permanent acne scars.

The risk becomes greater if spots are repeatedly squeezed or left untreated for long periods.

Early assessment is worthwhile if your back acne is painful, widespread or leaving marks behind.

How can I help reduce back acne?

Simple lifestyle habits can often help reduce irritation and support healthier skin.

These include:

Showering soon after exercise or heavy sweating.
Changing out of damp clothing promptly.
Wearing breathable fabrics whenever possible.
Avoiding tight clothing that creates excessive friction.
Keeping your skincare routine gentle and avoiding harsh scrubbing.

Scrubbing aggressively does not remove acne and may worsen inflammation.

When should I seek assessment?

It is sensible to seek assessment if your back acne:

Is painful.
Leaves scars or dark marks.
Covers a large area.
Does not improve over time.
Frequently returns despite good skincare.

Because back acne can sometimes be more severe than facial acne, early assessment may help reduce the risk of long-term skin damage.

Frequently Asked Questions

Why is my back acne worse than my facial acne?

The back has thicker skin and larger, more active oil glands, making breakouts deeper and often more persistent than acne on the face.

Does sweating cause back acne?

Sweat alone does not cause acne, but when combined with heat, oil and friction, it can make existing acne worse.

Can back acne leave scars?

Yes. Inflamed or cystic back acne carries a genuine risk of permanent scarring, particularly if lesions are repeatedly picked or squeezed.

Should I scrub my back to remove acne?

No. Harsh scrubbing often irritates the skin and increases inflammation. Gentle cleansing is generally more effective.

Can back acne improve?

Yes. With consistent skincare, sensible lifestyle measures and appropriate assessment where needed, back acne can often be brought under good control.

Reviewed by Dr Tara Treacy, GP with a special interest in dermatology (IMC 411337).

Last reviewed: 16/07/2026.

General information only. It does not replace an individual medical assessment.