How Close Should Your Skin Be to the Light?

A common question among beginners is whether red light therapy devices should touch the skin or be held at a distance. The answer depends on the type of device and the treatment goal.

In general, red light therapy works best when the light is close enough to deliver sufficient energy—but not so close that it causes discomfort or uneven exposure.

Direct Contact vs Short Distance

Some devices are designed for:

Direct skin contact:

• handheld devices

• targeted therapy tools

• small treatment areas

Others are designed for:

Non-contact use:

• LED panels

• face masks

• full-body systems

Ideal Skin Distance

• Contact devices: directly on skin

• Panels: 10–30 cm away

• Masks: worn directly on face

Is Closer Always Better?

Not necessarily. While closer positioning increases intensity, it does not always improve results.

Too close may:

• create uneven exposure

• reduce coverage area

• cause mild discomfort

Optimal therapy is about balanced energy delivery, not maximum intensity.

Light Penetration Considerations

Even when the light is slightly farther away, near-infrared wavelengths can still penetrate deeply into tissues.

Conclusion

Your skin should be close enough to receive effective light energy, but not necessarily touching the device. The ideal distance depends on the device type and treatment purpose.