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What to Do During Your Red Light Mask Session (5 Ideas That Help It Work Better)

Red light therapy depends on blood flow to deliver its benefit. Scrolling through the session quietly works against it. Here are five better things to do.

Sophie Kazandjian
Sophie Kazandjian
April 2026 · 5 min read
Part of: The Science →

A red light mask session is typically fifteen minutes of lying still while your LED face mask does its work. What you do during that time affects how well the treatment works. If you've invested in an Omnilux, CurrentBody, Dr. Dennis Gross, or any other at-home red light therapy device, the state of your nervous system during the session is a variable worth paying attention to.

If you own a red light therapy mask, you know the routine. You put the mask on, set the timer, and lie there for fifteen minutes trying not to check your phone. Most people end up scrolling Instagram, answering emails, or mentally running through tomorrow's to-do list. Which is fine, except that all of those things keep your nervous system in exactly the state that makes the treatment less effective.

There's a better way to spend those minutes.

Why scrolling undermines your session

Red light therapy depends on blood flow. The light stimulates cellular activity in the dermis, but oxygen and nutrients reach those cells via blood. When blood flow to the skin is strong, the treatment has more to work with. When blood flow is restricted, the cells are running but undersupplied.

Stress constricts blood vessels in the skin. This is well documented: cortisol enhances vasoconstrictor sensitivity, reduces production of vasodilators like nitric oxide, and narrows the peripheral blood vessels that supply your face and body. Scrolling social media, reading the news, or thinking about work all keep cortisol elevated. You're lying still, but your nervous system is not resting.

The irony is hard to miss. You've invested in a device designed to repair and rejuvenate your skin, and then you spend the treatment time doing the one thing that works against it.

Five things to do during your red light therapy session

1. Breathwork during red light therapy

Box breathing (four counts in, four counts hold, four counts out, four counts hold) is the simplest way to shift from sympathetic to parasympathetic dominance. A few minutes of slow-paced breathing has been shown to reduce cortisol and shift heart rate variability toward parasympathetic activity. You don't need an app. You don't need to be good at it. Just count.

2. Body scan meditation with your LED mask

Any guided body scan will work. The act of moving your attention slowly through your body draws the nervous system into a calm, present state. Fifteen minutes is the right length for most body scans, which happens to be the right length for most red light mask sessions.

3. Ambient sound or soundscape

Rain, ocean, birdsong, brown noise. Not music with lyrics or structure that engages your thinking brain. Something textured and repetitive that gives your auditory system something to settle into. This is less effective than active relaxation techniques but much better than silence if silence makes you fidgety.

4. Deliberate stillness

Lie there with your eyes closed and let your mind wander. The boredom itself is productive. Your brain shifts into default mode network activity, which is associated with reduced cortisol and increased parasympathetic tone. The urge to pick up your phone is the exact signal that your nervous system is too activated. Noticing that urge, even uncomfortably, is the treatment working.

5. A guided frequency routine

This is the most structured option, and the one that targets the physiology most directly. Specific sound frequencies (binaural beats in the theta range, solfeggio tones at particular frequencies) have been associated with measurable reductions in cortisol and increases in parasympathetic activity in several small studies. A timed routine gives you something to follow without engaging the planning, problem-solving parts of your brain. The sound does the work of calming your nervous system while the light does the work of stimulating your cells.

Skin Resonance includes "With skincare" routines that time sound frequencies around your red light mask session. Try a free 10-minute routine to feel how it works.

Try it free →

A simple red light mask routine structure

If you want a framework that doesn't require any apps or equipment beyond your LED face mask and a pair of headphones, try this:

Minutes 1 to 3: Put the mask on. Close your eyes. Take ten slow breaths, each one longer than the last. Don't force anything. Just let the exhale get gradually longer until you feel your shoulders drop.

Minutes 3 to 12: Listen to ambient sound or a guided frequency routine. Keep your eyes closed. If your mind wanders, let it. Don't try to meditate perfectly. The goal is not focus. The goal is calm.

Minutes 12 to 15: The mask timer is winding down. Stay still. Notice how your face feels. The warmth from the LEDs, the weight of the mask, the temperature of your hands. This is proprioceptive attention, and it keeps you in the parasympathetic state through the end of the session rather than snapping back to alert mode the moment the timer beeps.

That's it. No special skills. No prior experience. Just a deliberate decision to spend the session time helping the treatment work rather than working against it.

The bigger picture

Most red light therapy advice focuses on the device: which wavelength, how many nanometres, how close to hold it, how many minutes. All of that matters. The variable that gets almost no attention is the state of your body while the light is working. A relaxed body with dilated blood vessels and low cortisol provides a better environment for the cellular processes the light triggers. A stressed body with constricted blood vessels and elevated cortisol provides a worse one.

You don't need to do anything complicated to shift that balance. You just need to put the phone down and give your nervous system the same fifteen minutes you're giving your skin.

For a deeper look at the physiology, read our article on stacking red light, sound and sleep, or our piece on cortisol, skin, and sound frequencies.

Sources & further reading

  1. Yamakoshi, T., et al. (2009). Cardiovascular responses and mental task performance under acute cortisol administration. Psychoneuroendocrinology, 34(10). pubmed.ncbi.nlm.nih.gov/19481881
  2. Broadley, A. J. M., et al. (2005). Inhibition of cortisol production with metyrapone prevents mental stress-induced endothelial dysfunction and baroreflex impairment. Journal of the American College of Cardiology, 46(2). pubmed.ncbi.nlm.nih.gov/16022967
  3. Zaccaro, A., et al. (2018). How breath-control can change your life: a systematic review on psycho-physiological correlates of slow breathing. Frontiers in Human Neuroscience, 12:353. pubmed.ncbi.nlm.nih.gov/30245619
  4. Wahbeh, H., et al. (2019). A systematic review of transcendent states across meditation and contemplative traditions. Explore, 15(2). Evidence on binaural beats and cortisol remains low-to-very-low quality; findings across studies are mixed.

Skin Resonance is a wellness web app, not a medical device, and does not diagnose, treat or cure any condition. For a diagnosed skin condition, please see a dermatologist.

Frequently asked

What should you do during a red light mask session?+

Breathwork, a body scan meditation, ambient soundscapes, deliberate stillness, or a guided sound frequency routine. All of these support parasympathetic activation, which dilates blood vessels and improves the delivery of oxygen and nutrients to skin cells while the light works. Scrolling your phone keeps cortisol elevated and works against the treatment.

Does using your phone during red light therapy make it less effective?+

It can. Scrolling social media, reading news, or answering emails keeps your nervous system in a sympathetic state, which constricts blood vessels in the skin. Red light therapy depends on blood flow to deliver oxygen and nutrients to the cells the light is stimulating. A stressed body with constricted blood vessels provides a worse environment for the treatment than a relaxed one.

How long should a red light mask session be?+

Most at-home red light masks are designed for 10 to 15 minute sessions. Follow your device manufacturer's recommended time. What matters as much as the duration is what you do during those minutes: spending the session in a calm, relaxed state supports better blood flow and cellular response than spending it in a stressed, distracted one.

Does blood flow affect red light therapy results?+

Yes. Red light stimulates cellular activity in the dermis, but oxygen and nutrients reach those cells through blood. Cortisol constricts peripheral blood vessels, while parasympathetic activation dilates them. A relaxed body with good circulation provides a better environment for the cellular processes the light triggers than a stressed body with restricted blood flow.

Can you do breathwork during red light therapy?+

Yes, and it's one of the most effective ways to spend the session. Box breathing (four counts in, four hold, four out, four hold) shifts heart rate variability toward parasympathetic activity within minutes. You don't need an app or any prior experience. The breathing supports nervous system calm while the light works on your skin cells.

Keep reading

How to Stack Your Skincare: Red Light, Sound and Sleep

The Best Evening Skincare Routine Order for Overnight Repair

At-Home Laser Devices and Nervous System Calm

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