The Mood Menu: How Chromotherapy Lighting Actually Works

Coloured lighting on a steam shower spec sheet tends to get one of two reactions. Genuine curiosity, or a raised eyebrow and a mental note that reads ‘nightclub feature, not a real one’.

That second reaction is fair on the surface. Chromotherapy has spent decades attached to some fairly wild claims … mood-fixing light, colour-coded healing, that sort of thing. None of it holds up.

Underneath the marketing noise, though, sits a genuine field of research called photobiology. It asks a narrower and far more testable question: does light of a given wavelength measurably affect how the body and brain respond? We went looking for the answer.

What Is Chromotherapy? (The Honest Version)

The word gets used loosely, so let’s pin it down.

Chromotherapy – sometimes called colour therapy or colour light therapy – is the idea that visible coloured light wavelengths can influence your mood, energy, and physical wellbeing. It’s ancient. Egyptian, Chinese, and Indian healing traditions all used coloured light in various forms, thousands of years before anyone understood wavelengths or photobiology.

But is it scientifically proven?

In its traditional form – where specific colours are claimed to cure specific conditions – no. Mainstream medical reviews classify chromotherapy as unproven alternative medicine. The idea that blue light cures constipation or green light fixes migraines doesn’t hold up under clinical scrutiny.

That’s the honest starting point. And it’s where most articles stop.

But there’s a distinction worth making. Traditional chromotherapy and modern photobiology are not the same discipline. Photobiomodulation – the study of how specific light wavelengths interact with cells – has a growing body of peer-reviewed research behind it. Red light therapy, for example, operates in this space. It uses precise wavelengths (typically 620-700nm) to support cellular activity, and the evidence base is considerably stronger than for colour therapy as a whole.

Chromotherapy LEDs in your shower or sauna aren’t red light therapy panels. But they’re not nothing, either. The truth sits in between – and that’s where it gets genuinely interesting.

What the Research Actually Says About Coloured Light

Red light (620-700nm) has the strongest research behind it. Photobiomodulation studies show red and near-infrared wavelengths support collagen production, circulation, and mitochondrial energy (ATP) production. This isn’t chromotherapy in the traditional sense – it’s a distinct, evidence-backed technology. Vidalux saunas include integrated red light therapy panels on selected models specifically because the science supports it. Worth noting: this is separate from the chromotherapy mood lighting, though both use the visible spectrum.

Blue light (~460-480nm) is where the research gets nuanced. Studies published in journals including Frontiers in Neuroscience and the International Journal of Endocrinology show that blue wavelengths affect melatonin suppression through melanopsin-expressing retinal ganglion cells – the same pathway that regulates your circadian rhythm. A preliminary study published in PLOS ONE found that blue lighting accelerated post-stress relaxation compared to white light. Research also indicates blue light influences cortisol pathways, though results vary depending on timing, intensity, and duration.

So does blue light calm you down or wake you up?

Both, depending on context. That’s not a cop-out – it’s how biology works. Think of it like water temperature. Cold water on your face sharpens alertness. A warm bath promotes sleep. Same substance, different responses based on how and when you use it.

Green light has some early research suggesting calming effects and influence on pain perception, but the evidence is limited and not yet strong enough to make confident claims.

Other colours – amber, violet, cycling patterns – have little clinical evidence for specific health effects. Enjoyable ambience? Absolutely. Proven biological outcomes? Not yet.

The honest conclusion: the science of light on human biology is real and growing. But traditional chromotherapy overclaims. The useful truth sits between “complete myth” and “miracle therapy.”

So Why Include It in a Shower or Sauna?

Because atmosphere isn’t a gimmick.

Even where colour-specific health claims are weak, the effect of lighting on mood and psychological state is well-established in environmental psychology. There’s a reason hospitals use soft lighting in recovery wards. A reason restaurants dim the lights in the evening. A reason spas don’t install fluorescent strip lights.

Lighting is one of the strongest environmental cues your brain processes for relaxation or alertness. And when you’re already inside a steam shower with warm vapour surrounding you, or sitting in an infrared sauna at 55 degrees – the addition of soft, controllable colour shifts the experience from functional to immersive.

Explore the full range of Vidalux steam showers here: https://vidalux.co.uk/steam-showers/

Does that count as a wellness feature?

We think so – as long as you’re honest about what “wellness” means here. Chromotherapy lighting in a steam shower creates a calming, spa-like environment through full-spectrum LED colour cycling or single-colour hold. In a sauna, it works alongside heat – and on selected models, alongside integrated red light therapy – to create a multi-sensory session.

Browse Vidalux home saunas here: https://vidalux.co.uk/home-saunas/

It’s not treating a condition. It’s creating an environment where relaxation comes more easily. Pair it with aromatherapy and the combined sensory effect – scent, heat, and colour – genuinely amplifies the experience.

Explore Vidalux aromatherapy products here: https://vidalux.co.uk/aromatherapy/

That’s not hype. That’s how environments work.

The Vidalux Approach – Honest Engineering, Not Hype

Full-spectrum LED chromotherapy is standard on Vidalux steam showers and available on selected hydro shower cabins and saunas. It’s controlled through the touchscreen panel alongside steam, temperature, timer, and audio – one intuitive hub, no separate remotes or complicated setup.

See the full range of Vidalux hydro shower cabins here: https://vidalux.co.uk/hydro-shower-cabins/

Let’s be clear: we don’t market chromotherapy as a cure. We position it as a wellness complement – one part of a thoughtfully engineered session experience. The lighting supports mood and ambience. The steam supports respiratory comfort and relaxation. The heat supports circulation and muscle relief. Together, they work.

Where the science is stronger – red light therapy – we’ve invested in proper, integrated RLT panels for selected sauna models. High-output LEDs with wavelength-controlled delivery, heat-resistant housings, and stable drivers. That’s a separate technology with a separate evidence base, and we treat it accordingly.

Our philosophy after 15 years of engineering wellness products: include what works, be honest about what it does, and never oversell what it doesn’t.

How to Get the Most From Your Chromotherapy Lighting

In real-world use, a few simple adjustments make a genuine difference.

For relaxation, hold a single warm colour – amber or soft red – during your steam or sauna session rather than letting it cycle through the full spectrum. Constant cycling can feel stimulating rather than calming. One steady tone lets your brain settle.

For a morning energy boost, try cooler tones – blue or green – during a shorter, warmer session. The brighter wavelengths support alertness naturally.

Combine your senses. Chromotherapy works best as part of a layered experience. Add aromatherapy oils to your steam session. Put on calm music through Bluetooth. The combination of scent, sound, colour, and warmth is where the real value lives.

And above all – don’t expect miracles. Expect a better, more immersive, more intentional wellness routine. That’s what good engineering delivers.

The Bottom Line

Chromotherapy isn’t a cure. The traditional claims are overstated, and anyone telling you coloured lights will fix a medical condition isn’t being straight with you.

But the effect of light on mood, relaxation, and environment is real. In a well-engineered steam shower or sauna, thoughtful lighting is a genuine wellness complement – one considered part of a properly designed experience.

Not a gimmick. Not a miracle. Just good engineering, honestly positioned.

See the quality. Compare the craftsmanship. Choose assured wellness.

Frequently Asked Questions

Q: Is chromotherapy a scientifically proven therapy?

A: Chromotherapy as a standalone medical therapy is not scientifically proven – mainstream reviews classify it as unproven alternative medicine. However, modern photobiology research does show measurable effects of specific light wavelengths on melatonin, cortisol, and mood.

Q: What does chromotherapy do in a steam shower?

A: Chromotherapy in a steam shower uses full-spectrum LED lights to create calming or energising colour cycles during your session. It enhances the relaxation environment alongside steam, heat, and aromatherapy – supporting mood rather than treating conditions.

Q: Is chromotherapy the same as red light therapy?

A: Chromotherapy and red light therapy are different. Chromotherapy uses visible coloured light for mood and ambience. Red light therapy (photobiomodulation) uses specific red and near-infrared wavelengths to support cellular repair, skin health, and recovery – with stronger clinical evidence.

Q: Do saunas have chromotherapy lighting?

A: Many infrared and hybrid saunas include chromotherapy LED lighting as a standard or optional feature. Vidalux saunas offer colour cycling alongside integrated red light therapy panels on selected models – combining ambient lighting with evidence-backed photobiomodulation.

Q: Which chromotherapy colour is best for relaxation?

A: Warmer colours like soft red and amber are commonly associated with relaxation, while cooler blues and greens are linked to calm alertness. Holding a single colour rather than cycling through all colours typically creates a more immersive, restful environment.

DISCLAIMER: All specifications, claims, and advice relating to any internal or external procedure, practise, product, or service were true at the time of writing. For more accurate and up-to-date details in relation to Vidalux services, please visit the relevant dedicated on-site page. For any product-related information, specifications, or guidance, the information on the product page should be considered the governing source.