It's easy to think that acne only appears on the face, but it's also common on the back and chest, where there are many sebaceous glands. Many people wonder, "Why do marks on the back last so long?" Because the back is a difficult area to reach and care for, and management is often delayed, it's prone to brown marks or redness remaining as pigmentation even after acne subsides.
Why Acne is More Prone to Occur on the Back
The back is on the back of the body, making it less visible and thus harder to manage with care. Compared to the face, it receives less attention, leading to delayed responses to problems, and as the condition deepens, the likelihood of it leading to pigmentation increases.
Furthermore, the back is an area with a high distribution of sebaceous glands, leading to active sebum secretion. Since the degree to which sebaceous glands respond to hormones varies by area and age, it's also reported that as people age, back acne may become more prominent than facial acne.

In the clinic, many people are more concerned about the marks left behind than the back acne itself. Once pigmentation sets in, it takes time to recover, and there can be significant individual differences, so it's easier to start care before the marks deepen.
Back Acne: A Growing Concern as Seasons Change
During seasons like winter, when the back can be covered by clothes, it's not a major concern. However, as spring and summer arrive and clothing becomes more revealing, the marks on the back become exposed. This is why the number of people worried about back acne pigmentation significantly increases as temperatures rise.

Additionally, if the back is inadvertently scratched or frequently rubbed by clothing, various irritations can deepen the pigmentation. Reducing irritation alone can help slow its progression. Similarly, red acne scars or acne scars, which are also prone to leaving marks, follow the same principle.
How to Treat Back Acne
Although the location of acne may differ, the direction of treatment is similar. However, if it occurs on the body rather than the face, it may show resistance, so oral medications, sebum regulators, and antibiotics are often used together. Therefore, it's common to find people consistently combining home care.

As summer approaches and clothing becomes lighter, if you want to clear it up more quickly, you might consider procedures like extraction, Scaling, or peeling. For active acne, acne care is appropriate, while for existing marks, an approach that addresses pigmentation is more systematic. If the marks are deeply pitted, separate consultation for depressed acne scars may be necessary.
For questions, inquire via chat consultation regarding back acne and pigmentation
Why You Shouldn't Squeeze Back Acne with Your Hands
Squeezing acne at home with your hands and receiving extractions at a clinic may seem similar on the surface. However, there's a reason why we advise against squeezing with your hands.

- The extraction process causes considerable irritation to the skin. Damaged skin has a higher risk of infection, and irritation with unsterilized tools or hands increases the likelihood of additional inflammation leading to pigmentation.
- There's a specific time when acne is suitable for extraction. Forcibly squeezing without assessing the condition can lead to greater irritation.
- Depending on the practitioner's skill, extractions, Scaling, and peeling are applied appropriately, allowing for care that minimizes skin irritation.
To prevent scarring, maintaining cleanliness and minimizing unnecessary irritation are key.
When performed at the correct time, based on the condition, skin irritation can be reduced, and the possibility of changes like pigmentation can also be lowered.
Post-Treatment Care is Even More Important
Post-treatment care is just as important as the treatment itself. Sebum and keratin naturally accumulate over time, and their amount can increase during seasons with more sweating. To prevent recurrence, it's good to consistently manage your skin.

Here are some management points to consider in daily life:
- Periodically exfoliate according to your skin type to prevent your skin from becoming too dry.
- Be careful, as strong exfoliation can increase skin damage and cause inflammation.
- Excessive stress can promote acne, so try to prevent it from accumulating in your daily life.
- Ensure sufficient rest and regular eating habits to maintain healthy skin.

During seasons with a lot of sweating, showering quickly after exercise and wearing breathable clothes to reduce friction can also help. Small habits collectively slow down the process of marks deepening.
Benefits of Professional Dermatology Care for Back Acne
Since the back is a difficult area to examine yourself, getting an accurate diagnosis and managing it at the right time is the safest approach. Extractions can be performed at the appropriate time, and if necessary, Scaling or peeling can be combined to minimize irritation.

If you feel that marks have lingered for a long time or are getting darker, we recommend consulting with medical staff to determine the appropriate course of action rather than self-diagnosing.
For questions, inquire via chat consultation regarding back acne management methods


Dr. Sang-Joo Lee, Chief Director (MD, PhD, Yonsei University College of Medicine & Graduate School, Dermatology Resident at Severance Hospital, President of the Korean Dermatological Association) Dr. Sang-Joo Lee's Profile First published 2025-05-14 / Last reviewed 2026-06-16
Treatment response and recovery patterns may vary from person to person, so please consult with medical staff for an accurate diagnosis and personalized management plan.
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