Short answer: dry cupping uses suction on intact skin. It can leave temporary circular marks and may change local sensation or blood flow, but the evidence that it meaningfully treats musculoskeletal pain is uncertain. Claims that cupping “pulls out toxins,” removes fat, diagnoses lymph congestion from bruise color, or detoxifies the body are not supported by good clinical evidence.

I originally wrote this as an enthusiastic practical guide. After reviewing newer controlled trials, I would frame it more cautiously today. Cupping can be an optional comfort practice for some people, but it should not be sold as a detoxification method or a replacement for treatments with stronger evidence.

What is dry cupping?

A cup is placed on the skin and negative pressure is created mechanically or, in some traditional methods, with heat. The suction lifts skin and superficial tissue into the cup. In dry cupping, the skin is not intentionally cut. That distinguishes it from wet cupping or hijama, where the skin is punctured and blood is removed.

Does dry cupping work for pain?

Research has often reported short-term pain improvements, but many studies have weak blinding, small samples, or control groups that do not adequately mimic the experience of real cupping.

A 2026 systematic review and meta-analysis specifically comparing dry cupping with placebo cupping included five randomized trials with 281 participants. The authors judged the evidence very low certainty. Across time points, the true effect ranged from little or no benefit to a potentially meaningful benefit, and four of the five trials had high overall risk of bias. Their conclusion was that treatments with higher-certainty evidence should generally be tried first.

The U.S. National Center for Complementary and Integrative Health reaches a similar bottom line: cupping may reduce pain, but the evidence is not strong, and there is not enough high-quality research to establish benefits for many other conditions.

What do the circular marks mean?

The marks are produced by suction-related changes in skin and superficial blood vessels. They are not a validated map of toxins, oxygen deficiency, stagnant lymph, or hidden disease. A darker mark does not diagnose a more “toxic” or congested area.

The old idea that red blood cells simply “sweat through intact capillaries” without tissue injury is also too simplistic. Strong suction can damage small vessels and produce bruising.

Does cupping detoxify the body?

There is no good evidence that dry cupping removes toxins from the body. The liver, kidneys, lungs and gastrointestinal system handle metabolic waste through normal physiology. A substance being moved toward the skin by suction is not the same as demonstrating that a clinically important toxin has been removed.

Can cupping remove fat or cellulite?

There is no convincing evidence that dry cupping destroys or removes body fat. Temporary changes in skin appearance, swelling, or blood flow should not be confused with loss of adipose tissue. Claims that cupping “breaks down fat cells” or eliminates love handles are not supported by controlled evidence.

What about lymphatic drainage and recovery?

Suction can mechanically move skin and superficial tissues, but broad claims that cupping clears systemic lymphatic “stagnation,” accelerates detoxification, or improves immune function have not been established. If someone experiences short-term relaxation or reduced soreness, that subjective effect can be real without requiring a detox mechanism.

Risks and side effects

  • Temporary circular discoloration and soreness are common.
  • Strong suction can cause bruising, blistering or persistent discoloration.
  • Heat-based methods can cause burns.
  • Poor hygiene can cause skin infection, and shared contaminated equipment can transmit bloodborne infections.
  • Cupping can worsen eczema or psoriasis in some people.
  • Persistent pain, blistering, infection, neurologic symptoms or an unusual reaction deserves medical assessment rather than another cupping session.

If you still choose to use dry cupping

Use it as an optional comfort technique, not as a diagnostic test or a treatment for serious disease. Avoid extreme suction and stop if the procedure is painful. Cups should be clean and not shared without proper sterilization. Do not place cups over broken or infected skin.

For persistent musculoskeletal pain, it is more useful to identify the underlying problem and use treatments with stronger evidence, such as appropriate exercise, rehabilitation, load management, sleep and, when needed, medical evaluation.

Questions people ask

Does dry cupping involve blood extraction?

No. Dry cupping uses suction without intentionally cutting the skin. Wet cupping involves skin puncture and blood removal.

Are cupping marks a sign that treatment worked?

No validated relationship links mark darkness to treatment success, toxins, lymph blockage, or oxygen deficiency.

Can facial cupping stimulate collagen?

Claims about collagen production and anti-aging effects are not supported by robust clinical trials. Facial skin can also bruise or become irritated from suction.

Can cupping replace physiotherapy or pain treatment?

The current evidence does not support using it as a replacement for treatments with better-established benefits.

Sources

National Center for Complementary and Integrative Health: Cupping – evidence summary and safety information.

Jenkins et al., 2026 – systematic review and meta-analysis of dry cupping versus placebo cupping for musculoskeletal complaints.