This article was originally written in November 2024 and has since been updated with new discoveries and research in March 2026.
TL;DR
Red light, near-infrared, and blue light do different jobs, and they should not be treated as interchangeable. Red wavelengths are commonly used for surface-focused routines, near-infrared is often chosen when deeper tissue interaction matters, and blue light can add another option for skin-focused use. BIOMAX PRO combines seven wavelengths, including 480 nm blue light and 1060 nm near-infrared, while also allowing individual wavelength control so users can tailor sessions more intentionally instead of relying on one fixed blend.
Red and near-infrared light therapy, often grouped under photobiomodulation (PBM), uses specific wavelengths of light to interact with the body in different ways. But in everyday conversation, people often use red light, infrared light, and near-infrared light as if they mean the same thing. That shorthand creates confusion, especially when those terms show up in product specs or research.
These wavelengths sit next to each other on the spectrum, but they do not behave the same once they reach tissue. That is exactly why modern PBM devices often use them together rather than treat them as interchangeable.
This guide breaks that down in practical terms. It explains the differences between red, near-infrared, and infrared wavelengths, how each interacts with tissue, and why many panels combine them to create broader, more flexible coverage.
What is red and near-infrared light therapy?
Photobiomodulation (PBM) is a light-based approach that uses specific wavelengths of visible red and near-infrared light, typically delivered by LEDs or lasers, to interact with cells rather than relying on heat.
These wavelengths are commonly discussed in relation to mitochondria, where light energy may support cellular energy production (ATP) and influence signaling processes.
In simple terms, PBM is about using targeted light energy to support how cells function, not about general brightness or heat.
That is why discussions of red light therapy focus on factors like wavelength selection, dose, treatment distance, and session length. The details matter because different wavelengths interact with tissue in different ways.
In everyday use, PBM devices are often part of routines focused on skin appearance, post-workout recovery, and general wellness habits. Rather than treating all light as interchangeable, these systems are designed around specific wavelengths that can be used with more intention depending on the goal.
Understanding the light spectrum
Visible light is only a small portion of the electromagnetic spectrum. It is the part humans can see, ranging from violet to red.
Just beyond visible red is infrared light, which the human eye cannot see but can often feel as heat. NASA explains that infrared sits immediately beyond visible light and is divided into near-, mid-, and far-infrared ranges, with longer wavelengths more associated with thermal energy.
Within that broader map, the ranges most relevant to photobiomodulation (PBM) are:
- Red light: approximately 600–700 nm, part of visible light
- Near-infrared light: approximately 700–1100 nm, just beyond visible light
- Infrared (broader category): longer wavelengths beyond near-infrared, including mid- and far-infrared
This is where a lot of confusion comes from. Infrared is a wide category, but PBM devices typically focus on the red and near-infrared portions of the spectrum, not the longer infrared wavelengths used in heat-based technologies.
The reason is practical. Red and near-infrared wavelengths can deliver light energy to tissue without involving ultraviolet (UV) radiation, which sits on the opposite end of the visible spectrum and is associated with different risks. That is why PBM discussions focus on specific wavelengths in the red and near-infrared range, rather than treating all light or all infrared as interchangeable.
Red light: surface-level wavelengths
Red light is the range most people recognize first. You can see it, so it feels intuitive. In PBM, it typically refers to wavelengths in the 600 to 700 nm range and is often used in surface-level applications.
A 2024 open-access review on skin cells highlights how these wavelengths interact with skin tissue and cellular signaling processes, particularly in cosmetic and skin-focused contexts.
That is why red light is often included in routines focused on skin appearance. It may help support healthy-looking skin and collagen production, and contribute to general skin care over time.
It is not just red. BIOMAX PRO also includes 480 nm blue light, which gives users another option for surface-focused skin routines where clarity and visible skin appearance matter. That broader spectrum can make a panel more versatile than a red-only setup.
Near-infrared light: deeper tissue penetration
Near-infrared (NIR) is the deeper-reaching side of photobiomodulation. In PlatinumLED’s BIOMAX and BIOMAX PRO spectrum, wavelengths from 810 nm to 1060 nm sit beyond visible red and are often chosen when muscle, joint, or broader recovery routines are the goal.
That is also why output matters alongside wavelength list. A panel does not become more useful just because it can say it has NIR. It matters how efficiently that NIR can be delivered in real use.
BIOMAX PRO pairs those NIR wavelengths with higher measured output than previous BIOMAX models, which can make it easier to reach target dose in less time. For users who care about both depth and session efficiency, that combination is a practical difference, not just a spec-sheet detail.
The idea is not choosing one over the other. It’s understanding that different wavelengths are used for different purposes, and combining them can create a more versatile PBM setup.
Infrared light: the broader category
Infrared is a broad category of wavelengths that sit just beyond visible red light. Near-infrared is one part of it, and that is the part most commonly used in PBM panels. Far-infrared sits farther out in the spectrum and is more common in heat-based products such as saunas, heating pads, and heat lamps.
This is where a lot of product confusion begins. A person may hear red and infrared light and assume both terms refer to one interchangeable therapy type. But in PBM, the relevant comparison is usually red light versus near-infrared, not red light versus every infrared wavelength on the map.
That one clarification does a lot of work. It helps you interpret research and product specifications more accurately and avoid mixing up PBM with purely heat-focused infrared applications.
Why PBM devices combine red and near-infrared wavelengths
Different wavelengths interact with tissue differently, so a mixed red and near-infrared setup gives one session broader coverage.
Red light can support surface-level routines, while near-infrared can extend the session’s reach into deeper tissues. When people talk about red and infrared light in the same breath, this is usually what they are pointing toward: one system using different wavelengths to cover more than one use case.
Many panels run every wavelength together in one fixed blend. BIOMAX PRO goes further with individual wavelength control, so a user can emphasize NIR for one protocol, keep blue light off for another, or run a broader full-spectrum session when that makes more sense. That kind of control is what separates a simple all-on panel from a more precise PBM platform.
There is also a practical reason for a combination design. Most people do not want multiple devices for different protocols. They want one panel that delivers the right wavelengths, keeps sessions manageable, and allows the routine to evolve over time.
That is the real advantage of combining wavelengths. It turns a panel from a single-purpose tool into a more flexible system that can adapt to different goals without needing to replace the device.
How PlatinumLED panels use multiple wavelengths
Understanding wavelength theory is one thing. Seeing how it is applied in a real device is what makes it practical.
PlatinumLED’s BIOMAX PRO panels are designed as multi-wavelength PBM systems, combining seven wavelengths across the visible red and near-infrared range. They also offer individual wavelength control, adjustable pulse settings, and a modular, zero-gap design for expanding into larger setups.
This type of design gives users more flexibility in how they run sessions. You can use full-spectrum settings for broader coverage, adjust individual wavelengths based on preference, or explore more targeted, wavelength-specific routines over time.
BIOMAX PRO panels are also independently tested and built with a focus on precision and control. The point is not that more features are always better for every user. It is that better control gives serious users more ways to match a panel to the routine they actually want.
Red vs. near-infrared: which one should you choose?
For many serious users, the better question is not which single wavelength to choose, but how much control you want over the full spectrum. A multi-wavelength system gives you more room to adapt the panel to skin-focused, recovery-focused, and mixed routines over time.
If your goal is flexibility, a panel that includes both red and near-infrared already makes more sense than a single-band device. If your goal is protocol-level customization, wavelength control becomes even more important.
That is where BIOMAX PRO stands apart. It adds individual control across all seven wavelengths plus 0-990 Hz pulse settings, which makes it a stronger fit for buyers who want a more configurable PBM setup instead of a fixed, all-on panel.
Choosing a panel designed for flexibility
A good panel should stay useful as your routine evolves. Flexibility is not about chasing features for their own sake. It is about avoiding a device that feels too limited once you know how you want to use it.
A flexible red/NIR panel should give you enough output to keep sessions practical, enough wavelength coverage to support different goals, and enough control that you are not locked into one fixed mode forever.
It should also make it easy to scale up later, whether that means adding more coverage or getting more precise with your setup.
This is where systems like the BIOMAX PRO series fit in. They are built around high output, multi-wavelength coverage, and individual wavelength control, which gives users the option to run simple full-spectrum sessions or move toward more customized setups as needed.
Understanding red and near-infrared light
The confusion around red light vs infrared usually comes from one small mistake: treating related wavelengths as identical. They are related, but they are not interchangeable, and that difference is exactly why modern PBM systems use both visible red and near-infrared light in the same device.
Red light is visible and often tied to skin-focused routines. Near-infrared is invisible and often discussed in relation to deeper penetration. Put them together in one well-designed panel, and you get a more flexible system for real-world use.
Ready to take a closer look? Explore the BIOMAX PRO series and compare models to find the setup that fits your goals.
FAQs
If you still have questions after the breakdown above, these quick answers cover the most common points of confusion.
What is the difference between red light and infrared light?
Red light is part of visible light, so you can see it. Infrared light sits just beyond visible red and cannot be seen by the human eye. In PBM, the more useful comparison is usually visible red versus near-infrared, because near-infrared is the infrared portion most commonly used in PBM panels.
Is near-infrared light the same as infrared?
No. Near-infrared is one part of the broader infrared spectrum. Infrared also includes mid- and far-infrared ranges, which is why the phrase infrared therapy can refer to very different technologies depending on context.
Do PBM panels use multiple wavelengths?
Many do, because different wavelengths can support different routines. PlatinumLED’s BIOMAX PRO line includes control across seven therapeutic wavelengths and supports both single-panel use and multi-panel array configurations.
Why can’t I see the infrared lights on my panel?
Near-infrared light is invisible to the human eye, so the LEDs can look dim or completely off while the panel is still operating normally. In a mixed-spectrum panel like BIOMAX PRO, that invisible NIR output is part of what supports deeper-reaching PBM sessions beyond the surface of the skin.
Is red light therapy safe?
PBM is generally noninvasive and nonionizing, but session distance and duration matter. A general rule of thumb is 10 to 20 minutes per treatment area, with different distances for deeper tissue and superficial facial use.
Disclaimer: This content is for educational purposes only and is not medical advice. These devices are not intended to diagnose, treat, cure, or prevent any disease. Readers should consult a qualified healthcare professional about their specific situation.
