Red light therapy frequently asked questions

We offer a 365 day money back trial on all handheld Target Light devices and all Advantage panels. That means you have a full year to use the device at home, follow the included user guide, and decide if red light therapy is right for you. If you are not happy for any reason, contact us and we will arrange a full refund.

The Advantage Wrap comes with a 30 day trial due to the physical wear involved in strapping it around joints during use. Blue blocking glasses have a 30 day trial. The Dusk Lamp has a 15 day trial.

For commercial customers including gyms, clinics, and wellness centres, the 365 day trial does not apply. Commercial customers receive a 60 day evaluation period from the date of delivery.

To qualify, the product must be returned with 100% of its original packaging and contents in good condition. If your order included free gifts, these must also be returned to qualify for a full refund. If you would prefer to keep any of the free gifts, you can do so by paying the current retail price per item at the time of your return. Return shipping is the responsibility of the customer. For full terms, visit our returns policy page.

Every product comes with a warranty covering manufacturing faults. The warranty length depends on the product:

The Advantage 450 and Advantage 900 panels are covered for 3 years. The Target Light 4.0 is covered for 2 years. All other devices including the Target Light 670, Target Light 2.0, Target Light 3.0, Advantage Wrap, Dusk Lamp, and blue blocking glasses are covered for 1 year.

The warranty covers defects in materials and workmanship under normal use. It does not cover damage from misuse, drops, water exposure, or normal wear and tear. If you believe your product has a manufacturing fault, contact our team and we will assess it promptly.

We offer free shipping to mainland UK and mainland EU on all red light therapy devices. Deliveries to islands not connected to the mainland may incur a shipping charge. Orders are dispatched within 1 to 2 business days from our UK or EU warehouses.

UK deliveries typically arrive within 2 to 4 business days. EU deliveries typically arrive within 5 to 10 business days depending on the destination country. South Africa deliveries are dispatched from our local warehouse and typically arrive within 3 to 5 business days.

Blue blocking glasses and the Dusk Lamp ship from the same warehouses and follow the same timelines. You will receive a tracking number by email as soon as your order is dispatched.

For full shipping details including international delivery and island surcharges, visit our shipping policy page.

Every red light therapy device comes with complimentary gifts to help you build a complete circadian wellness routine.

When you purchase any device priced at 239 pounds or above - including the Target Light 2.0, Target Light 3.0, Target Light 4.0, Advantage Wrap, Half Stack, Advantage 450, or Advantage 900 - your order includes a Dusk Lamp (worth 49.99 pounds), a pair of Morpheus or Hypnos aviator blue blocking glasses (worth 119 to 129 pounds), and a pair of Nyx classic blue blocking glasses (worth 89 pounds). That is up to 268 pounds in complimentary products.

When you purchase a Target Light 670 (119 pounds), your order includes a pair of Nyx classic blue blocking glasses (worth 89 pounds).

When you purchase a Dusk Lamp (49.99 pounds), your order includes a pair of Nyx classic blue blocking glasses (worth 89 pounds).

Complimentary gifts do not apply to standalone accessory orders such as cables, stands, or spare parts.

Complimentary glasses are strictly allocated based on stock availability. If you have a strong preference for a specific frame or lens colour, please email us with your order number as soon as possible on info@redlightrising.co.uk. If you do not email us before the order is shipped, unfortunately we cannot change it.

All frames use identical lenses - the only difference is the frame material and style. You can learn more about each frame in our blue blocking glasses collection.

We believe in protecting the value of our products. Discounting trains customers to wait for sales and erodes the perception of quality. Instead, we add genuine value to every order by including products that complement your device and help you get better results.

The Dusk Lamp supports your evening wind down routine. The blue blocking glasses protect your circadian rhythm from screen light. Together with your red light therapy device, they form a complete wellness setup - and you pay nothing extra for them.

This is not a limited time promotion. It is how we sell our products.

The complimentary gifts come with their standard warranty (1 year for all glasses and the Dusk Lamp). However, they are not individually covered by the 365 day money back trial - the trial applies to the main device in your order.

If you return your main device during the trial period, all complimentary gifts must also be returned to qualify for a full refund. If you would prefer to keep any of the complimentary gifts, you can do so by paying the current retail price per item at the time of your return.

Most sessions last 5 to 15 minutes per area. The exact time depends on your device, the distance from your skin, and what you are targeting.

For handheld devices used on the face or eyes, 5 to 10 minutes at 20cm or more is a good starting point. For joints and muscles with a handheld or wrap, 5 to 10 minutes at close range or direct contact. For panel sessions covering larger areas like the back or torso, 10 to 15 minutes at 15 to 30cm.

Every device comes with a detailed user guide that includes session recommendations for different wellness goals. The Advantage panels also have 6 built in Advantage Modes that set the time and distance for you automatically.

The rule of thumb is simple - it should feel warm on the treatment area but never hot. If it feels too warm, increase the distance or shorten the session.

You can use your device once or twice daily, with at least 6 to 8 hours between sessions. Many of our customers build it into a morning and evening routine - a morning session to start the day and an evening session to wind down.

There is no strict rule on frequency. Some people use it every day, others prefer a few times a week. Consistency matters more than intensity. A short daily session will generally do more for you over time than one long session once a week.

If you are new to red light therapy, start with one session per day for the first week and build from there.

There is no single best time - it depends on your goals.

Morning sessions may support energy, alertness, and focus. Many customers use their device first thing as part of a wake up routine, particularly for face and eye sessions.

Evening sessions support relaxation and your wind down routine. Red light does not contain blue or green wavelengths, so it will not interfere with your melatonin production or sleep preparation. This makes it safe to use in the hours before bed.

Some customers do both - a short morning session for energy and a longer evening session for joints, muscles, or skin. Experiment and find what works best for your schedule.

We recommend keeping them separate. Red light therapy, cold exposure, and heat exposure each trigger a specific biological response that plays out over many hours in the body. If you stack multiple hormetic stressors on top of each other in the same session, your body is forced to choose which biological process to prioritise - which means you risk diluting or wasting the benefits of one or more of them.

Our recommendation is to leave at least 6 to 8 hours between red light therapy and any other intense practice like a sauna, ice bath, or high intensity exercise. Even better, do them on completely different days so your body has the time and resources to fully respond to each one individually.

This approach may feel slower, but it means you get the full benefit from every practice rather than a partial benefit from all of them at once.

It is unlikely with normal use. Red light therapy follows a principle called the biphasic dose response - which means there is an optimal dose range where you get the most benefit. Too little and you will not notice much. Too much in a single session and the benefits may plateau rather than increase.

In practical terms, this means longer sessions are not always better. A 10 minute session at the right distance will generally do more for you than a 30 minute session at the same distance. More is not always more.

If you follow the user guide included with your device and stick to the recommended session times and distances, you are well within the optimal range. There are no known serious side effects from red light therapy at the power levels our devices deliver.

If you are ever unsure, the simplest rule is: if it feels too warm, you are too close or you have been there too long. Increase the distance or stop the session. For more on how this works at the cellular level, visit our science page.

Your circadian rhythm is your body's internal 24 hour clock. It controls when you feel awake, when you feel sleepy, when your hormones rise and fall, and when your body carries out essential maintenance processes like cellular repair and immune function.

The single biggest input to your circadian rhythm is light. Specifically, the blue and green wavelengths in daylight (below 530nm) signal to your brain that it is daytime. When those wavelengths disappear at sunset, your brain begins producing melatonin - the hormone that prepares your body for sleep.

The problem is that modern life has broken this cycle. LED screens, overhead lighting, and even "warm white" bulbs all contain significant blue and green wavelengths that tell your brain it is still daytime long after the sun has gone down. The result is delayed melatonin, disrupted sleep, and a circadian rhythm that is permanently out of sync with the natural light cycle.

This is why evening light matters. Our Dusk Lamp emits only 630nm red light with zero blue or green content, and our blue blocking glasses filter the blue and green light from your screens. Both are designed to let your melatonin rise naturally in the evening so your circadian rhythm stays on track.

This is also why we recommend using red light therapy around sunrise and sunset. By timing your sessions to align with your natural circadian rhythm, you work with your biology rather than against it - and the benefits of each session are amplified as a result.

It depends on what you want to use it for and how you want to use it. Here is the simplest way to think about it.

If you want a portable device for your face, eyes, or a single joint - start with one of our handheld Target Lights. The Target Light 670 is our most affordable entry point for face and eye wellness. The Target Light 2.0 adds near infrared for deeper tissue support. The Target Light 3.0 adds a third wavelength, rechargeable battery, and touchscreen.

If you want to treat larger areas like your back, torso, or legs in a single session - look at our Advantage panels. The Advantage 450 covers half the body. The Advantage 900 covers the full body standing up.

If you want targeted joint and muscle support with a wearable device - the Advantage Wrap straps directly onto knees, shoulders, hips, or lower back.

If you run a clinic or wellness centre - the Target Light 4.0 is a professional grade hands free spotlight with a built in floor stand.

Still not sure? Get in touch with our team and we will help you find the right fit.

Not necessarily. Most people start with one device and it covers their needs. But many of our customers do end up owning two - typically a panel for their daily full body session and a handheld for targeted top ups on specific areas like the face, eyes, or a single joint.

The most common combinations are an Advantage panel paired with a Target Light 3.0 for portability, or a panel paired with the Advantage Wrap for hands free joint support.

If you have a specific area of concern like a knee or shoulder, you may find that a single handheld or the Wrap is all you need. Start with one, use it consistently for a few weeks, and then decide if you would benefit from adding a second device to your routine.

Red light (typically 630nm to 670nm) is visible - you can see it as a bright red glow. It works at the surface level, penetrating 1 to 5mm into the skin. This makes it well suited for skin wellness, complexion, eye comfort, and facial use.

Near infrared light (typically 810nm to 850nm) is invisible to the naked eye. It penetrates much deeper - several centimetres into tissue, and recent research from UCL suggests it may pass through the body entirely. This makes it suited for joints, muscles, and deeper cellular wellness.

Most of our devices combine both red and near infrared wavelengths so you get surface and deep tissue support in a single session. The Target Light 670 is our only device that uses red light exclusively - it was designed specifically around Professor Glen Jeffery's 670nm research at University College London.

For a deeper explanation of how these wavelengths work, visit our science page.

Irradiance is the amount of light energy reaching your skin, measured in milliwatts per square centimetre (mW/cm2). It tells you how powerful a device actually is at a given distance - not just how many LEDs it has or how many watts it draws from the wall.

Two devices can look identical on paper but deliver completely different amounts of energy to your tissue. Irradiance is the figure that actually matters for results.

There are several ways to measure irradiance, and they do not all give the same results. The most common method in the red light therapy industry is a solar power meter. It is also the least accurate. Solar meters were designed to measure broadband sunlight, not narrow band LEDs, and they consistently overstate the true output - typically by 30 to 60% compared to a spectrometer reading of the same device. The second method is a spectrometer, which measures the actual spectral output across specific wavelength ranges and gives a far more accurate reading. The third method is sending the device to a third party laboratory that uses high end calibrated equipment. We have done this with our handheld Target Lights through the Lighting Industry Association (LIA) in the UK, though even laboratories are not always properly set up for the specific characteristics of red light therapy devices.

This matters because when you see a red light therapy product advertised at over 100 or 200 mW/cm2, you can be almost certain that figure was measured with a solar meter. In the early days of the industry, most companies used solar meters because nobody knew the difference, so the market was flooded with impressively high power claims. Now that the industry is shifting to spectrometer measurements, we know that the true irradiance of even the most powerful panels is closer to 80 mW/cm2 at typical treatment distances. Based on the published research, anywhere from 15 to 80 mW/cm2 is powerful enough to achieve therapeutic benefits from red light therapy.

We publish all of our irradiance figures using spectrometer measurements only - we do not use solar meters. Our handheld devices were independently tested by the LIA. Our panels and larger devices are measured in house using a Hopoocolor OHSP-350F spectral irradiance meter, the same instrument used by independent reviewers in the red light therapy space.

If you are comparing devices between different companies and one seems to claim dramatically higher irradiance than the other, ask whether the measurement was taken with a solar meter or a spectrometer. That single question will tell you whether the figures are comparable.

Yes. Red light and near infrared light do not interfere with metal implants. The light energy is non ionising, which means it does not heat metal the way an MRI or microwave would. Many of our customers with joint replacements use red light therapy as part of their ongoing comfort and mobility routine.

If you have concerns about your specific implant or medical situation, we always recommend checking with your surgeon or healthcare provider before starting. But from a device safety perspective, there is no known risk.

The Advantage Wrap is a particularly popular choice for customers with knee replacements, as it straps directly around the joint for hands free use.

We cannot make specific recommendations about pregnancy. If you are pregnant or trying to conceive, please consult your healthcare provider before using any red light therapy device.

What we can say is that there is a growing body of published research exploring the potential relationship between photobiomodulation and reproductive wellness in both men and women. This is an active area of scientific interest, and several studies have explored the effects of red and near infrared light on cellular function in reproductive tissue.

If this is an area of interest for you, we would recommend discussing it with a healthcare professional who is familiar with the research, and visiting our science page for an introduction to how red light therapy works at the cellular level.

Yes, and many of our customers do. Red light therapy is used by veterinary professionals for joint comfort, mobility support, and general wellness in dogs, cats, horses, and other animals.

The same principles apply as with human use - bare skin or fur contact gives the best results, and session times of 5 to 10 minutes per area are a good starting point. Near infrared wavelengths penetrate through fur more effectively than visible red light.

Animals tend to enjoy the warmth and will often settle into a session naturally. If your pet seems uncomfortable or tries to move away, simply stop the session.

The Target Light 3.0 is a good choice for pet use because it is cordless, portable, and easy to hold in one hand while you keep your pet calm with the other.

We have measured every device in our range using a TriField TF2 EMF meter and published the exact magnetic field and electric field readings on each product page in both the specification table and the FAQ section.

Our three battery operated devices - the Target Light 3.0, the Advantage Wrap, and the Dusk Lamp - produce zero detectable EMF during use. No mains connection means no mains frequency electromagnetic fields.

Our mains powered devices all measure well under the Building Biology "slight concern" threshold of 5 mG at treatment distance. The Half Stack is the standout performer at 0.0 mG magnetic field at 15cm - effectively zero despite being mains powered.

Every electronic device you use in daily life produces some level of EMF - your phone, your TV, your kettle, your fridge, your Bluetooth headphones, your fitness tracker. EMF is a normal part of modern life and virtually impossible to avoid entirely. The additional EMF exposure from a red light therapy session is small in the context of everything else you are already exposed to, and we believe the wellness benefits of consistent use far outweigh any concern about the modest EMF levels involved.

For the exact readings on any specific device, visit the product page and scroll to the specification table or FAQ section.

During the day, blue light is natural and beneficial. Sunlight is rich in blue wavelengths and your body uses them to regulate alertness, mood, and your circadian rhythm. The problem starts after sunset.

Modern LED lighting, phone screens, laptops, and televisions all emit significant amounts of blue and green light in the 400 to 530nm range. This is the wavelength range that signals to your brain that it is still daytime. When your brain receives this signal in the evening, it suppresses melatonin production and delays the onset of sleep - even if you feel tired.

The issue is not that blue light is inherently harmful. It is that we are exposed to it at the wrong time of day, in quantities that our biology did not evolve to handle after dark. The shift from incandescent bulbs (which contained very little blue light) to LED lighting (which is heavy in blue wavelengths) has happened in less than a generation, and our biology has not caught up.

This is why evening light management matters - and why we make both the Dusk Lamp and a range of blue blocking glasses alongside our red light therapy devices.

Blue light blocking glasses work by filtering the wavelengths of light (below 530nm) that suppress melatonin production. When you wear them in the evening, your brain stops receiving the daytime signal from your screens and overhead lighting, and melatonin is free to rise naturally.

The effect is not subtle. Many of our customers report noticeable improvements in how quickly they fall asleep and overall sleep quality within the first few nights of consistent use. The key word is consistent - wearing them for one evening will help, but the real benefit comes from making them part of your nightly routine from sunset onwards.

For the best results, pair your glasses with our Dusk Lamp. The glasses filter the blue and green light coming from your screens while the lamp replaces your overhead lighting with 630nm red light that contains zero blue or green wavelengths. Together, they create an evening environment that supports your circadian rhythm from every angle.

Yes. Digital eye strain - that tired, dry, heavy feeling in your eyes after hours of screen use - is partly caused by the high energy blue wavelengths emitted by LED screens. Filtering those wavelengths reduces the strain on your eyes, particularly during long work sessions.

Our DayPro amber lenses are specifically designed for daytime screen use. They filter the harshest blue wavelengths while still allowing enough visible light through for comfortable colour perception during work. Many of our customers wear them throughout the working day and report reduced eye fatigue, fewer headaches, and less of that wired but tired feeling at the end of the day.

If your primary concern is screen time during work, the DayPro lens in any of our frames - Nyx, Morpheus, or Hypnos - is a good starting point.

It comes down to when you use them and how much blue and green light they block.

Our DayPro amber lenses are designed for daytime use, particularly during screen work. They filter the most intense blue wavelengths while still letting enough visible light through so your colour perception stays reasonable for work tasks. They have a warm amber tint that most people find comfortable to wear all day.

Our NightPro red lenses are designed for evening use from sunset onwards. They block virtually all blue and green light below 530nm, which is the full circadian sensitive range. The red tint is deeper and more noticeable, but that is the point - by the evening you want maximum protection so your melatonin can rise uninterrupted.

The simple rule: DayPro for screens during the day, NightPro from sunset until bed. Some customers own both - one pair for the office, one pair for the evening.

All of our lenses are available across our full frame range. Visit our blue blocking glasses collection to see the options.

Clear lens blue light blocking glasses - the kind you see on Amazon for 10 to 20 pounds - typically block only 10 to 20% of blue light in a narrow band around 420nm. They look clear because they are barely filtering anything.

The problem is that blue light extends from roughly 400nm to 500nm, and green light from 500nm to 530nm. Both ranges suppress melatonin. A clear lens that only blocks a small fraction of the lowest blue wavelengths leaves the majority of the circadian disrupting spectrum completely unfiltered. You might as well not be wearing them.

Our DayPro amber lenses filter a much broader range of blue wavelengths, which is why they have a visible amber tint - you can see the filtration working. Our NightPro red lenses go further and block the full blue and green spectrum below 530nm, which is why they appear deep red.

If the lenses look clear, they are not doing much. The tint is not a design choice - it is a direct result of how much light is being filtered. You cannot block significant amounts of blue and green light and still have a clear lens. The physics does not allow it.

We offer three frame styles, each available with either DayPro (amber) or NightPro (red) lenses.

The Nyx is our most affordable frame - a classic unisex style that fits most face shapes comfortably. It is lightweight with a slim profile that works equally well at the office or on the sofa.

The Hypnos is an aviator style frame made from stainless steel. It sits in the middle of the range and offers a slightly different aesthetic for customers who prefer the aviator look.

The Morpheus is our premium aviator frame made from titanium. It is noticeably lighter than stainless steel, extremely comfortable for extended wear, and the most durable frame in the range. If you plan to wear your glasses for several hours each evening, the weight difference is worth it.

The lens quality is identical across all three frames - you are choosing the frame style and material, not a different level of protection.

For lens choice: if you primarily want them for daytime screen use, start with DayPro. If you primarily want them for evening use and sleep support, start with NightPro. If you can only buy one pair, go with NightPro - the evening protection has the biggest impact on your sleep quality.

Browse all options in our blue blocking glasses collection.

Our lenses have been independently tested by the UK Lighting Industry Association (LIA) using a Bentham spectrometer - the same equipment used to test our red light therapy devices. The test results confirm the exact wavelength filtration profile of each lens, showing precisely which wavelengths are blocked and by how much.

We publish these results because we believe transparency matters. Many blue light blocking brands make vague claims like "blocks blue light" without specifying which wavelengths, what percentage, or providing any independent verification. A lens that blocks 20% of blue light and one that blocks 99% of blue light can both technically claim to be blue light blocking. The difference matters enormously for your circadian rhythm and sleep quality.

Our NightPro lenses block virtually all light below 530nm. Our DayPro lenses selectively filter the highest energy blue wavelengths while maintaining usable colour perception. Both claims are backed by independent laboratory data, not marketing.

The quickest way to reach us is by WhatsApp. Our team typically responds within a few hours during UK business hours.

You can also email us via our contact page or reach out through Instagram or Facebook. We monitor all channels daily.

If you have just received your device and want help getting started, every order includes a free Zoom onboarding session with our team. Just message us to book a time that suits you.

We have built a dedicated science page that covers the history, the mechanism, the wavelengths, and the published research behind photobiomodulation in plain English. It is a good starting point if you are new to red light therapy or if you want to understand the science before making a purchase.

Every product page also has its own FAQ section with device specific questions and answers, including detailed information on irradiance, EMF, flicker, and how to use that particular device.

If you prefer video, Professor Glen Jeffery's appearance on the Huberman Lab podcast is one of the best introductions to the science available. We also recommend the work of Dr Michael Hamblin at Harvard, who has published over 840 peer reviewed papers on photobiomodulation.

Most medical training focuses on pharmaceutical and surgical interventions. Photobiomodulation - the scientific term for red light therapy - sits outside that framework, even though the research base is substantial and growing. Professor Michael Hamblin at Harvard has published over 840 peer reviewed papers on the subject, and the field has its own peer reviewed journal (Photobiomodulation, Photomedicine, and Laser Surgery).

The short answer is that awareness is catching up with the science. Ten years ago, most GPs had never heard of it. Today, physiotherapists, sports medicine practitioners, dermatologists, and wellness professionals are increasingly incorporating red and near infrared light into their practice. The NHS does not currently offer photobiomodulation as a standard treatment, but that reflects funding and adoption timelines rather than a lack of evidence.

We never suggest that red light therapy replaces medical advice. If you have a specific medical condition, always consult your healthcare provider. But if your doctor has not heard of photobiomodulation, it does not mean the science is not there - it means the field has not reached their awareness yet. Our science page is a good resource to share with anyone who wants to explore the published research.