Which Light Therapy Is Best for Dark Spots? A Guide

At-home red light therapy device for treating dark spots, paired with a skincare serum.

You’ve likely curated a great skincare routine, complete with brightening serums and diligent sunscreen application, but sometimes those persistent dark spots just refuse to fade. When your products need a helping hand, it might be time to introduce a new tool to your arsenal. Light therapy works on a cellular level to address the root causes of hyperpigmentation, making it the perfect partner to your existing routine. We’ll explore how this technology can enhance the effects of your skincare and help you finally achieve that even-toned glow. Let’s get into the details and determine which light therapy is best for dark spots.

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Key Takeaways

  • Match the light to your specific concern: Use green light to directly target the excess melanin that causes dark spots and sun damage. For marks left by blemishes, add red light to your routine to help speed up skin repair and improve overall texture.
  • Prioritise consistency for lasting results: At-home LED therapy is a marathon, not a sprint. Committing to short, regular sessions (three to five times a week) is what builds visible, long-term improvement in your skin's clarity and tone.
  • Protect your progress with daily sunscreen: Sun exposure is a primary cause of hyperpigmentation and can undo your results. Make applying a broad-spectrum SPF 30 or higher every morning a non-negotiable habit to prevent new spots and maintain your glow.

How Light Therapy Fades Dark Spots

We’ve all been there—you finally get rid of a breakout, only to be left with a dark mark that sticks around for weeks. Or maybe you're noticing more sun spots popping up after a summer holiday. These dark spots, known as hyperpigmentation, can be frustrating. The good news is that light therapy offers a gentle and effective way to even out your skin tone. It works by targeting the underlying causes of these spots right from the comfort of your home. Let's get into how it all works.

What Causes Dark Spots?

Dark spots, or hyperpigmentation, show up when certain areas of your skin produce too much melanin. Melanin is the natural pigment that gives your skin, hair, and eyes their colour. A number of things can trigger this overproduction, from sun exposure and hormonal changes to inflammation after a blemish heals. Think of it as your skin's cells going into overdrive and creating concentrated patches of colour. Understanding what causes hyperpigmentation is the first step to effectively treating it and preventing new spots from forming.

The Science Behind Light Therapy

So, how does a little light help? LED light therapy uses different wavelengths (or colours) of light that penetrate your skin at various depths. Once absorbed, this light energy kicks your skin cells into action. It can help calm inflammation, speed up healing, and regulate melanin production. For dark spots specifically, certain colours of light can break down existing pigment clusters and prevent new ones from forming. This cellular process helps to gradually fade discolouration and restore a more even, radiant complexion over time.

Identifying Your Type of Hyperpigmentation

Not all dark spots are the same, and neither are the light therapies that treat them. The best approach depends on what you're dealing with. For example, the marks left behind by acne are different from the sun spots that come from years of UV exposure. This is where choosing the right colour of light becomes so important. Green light, for instance, is fantastic for targeting general hyperpigmentation and brightening your overall skin tone. Meanwhile, red light therapy is a powerhouse for stimulating collagen, which helps improve skin texture and can make spots less noticeable.

Decoding the Colours of Light Therapy

LED masks often look like something out of a sci-fi film, but the technology is all about using different wavelengths of light to target specific skin concerns. Each colour penetrates the skin at a different depth, triggering unique biological processes. Understanding what each colour does is the key to choosing the right treatment for your dark spots and achieving that clear, even-toned glow you’re after. Let’s break down the most common colours and what they can do for you.

The Benefits of Red Light

Think of red light as a revitalising treatment for your skin. It works deeper than other colours to stimulate collagen production, which helps firm the skin and soften fine lines. This is also why it’s so effective for healing. Red light can help reduce inflammation and speed up your skin's natural repair processes, making it brilliant for tackling the dark spots left behind by acne or other skin injuries. By supporting skin health from within, it helps fade existing marks and gives your complexion a smoother, more radiant appearance.

How Blue Light Can Help

If you struggle with breakouts, blue light is your best friend. This wavelength is known for its ability to kill the bacteria that cause acne, stopping spots before they even have a chance to form. It gets right to the source of the problem without being harsh on your skin. Blue light also helps to regulate oil production, which is a game-changer if you have an oily or combination skin type. By keeping excess sebum in check and reducing the redness and swelling from current breakouts, it helps you maintain a clearer, more balanced complexion.

Using Green Light for Pigmentation

For targeting dark spots and sun damage, green light is the star of the show. It works by inhibiting the overproduction of melanin, the pigment that causes hyperpigmentation. This action helps to fade existing spots and prevent new ones from forming, leading to a much more even skin tone. Because of its calming properties, green light is also a fantastic option for soothing sensitive or irritated skin. It’s a gentle yet powerful choice for anyone looking to correct discoloration and achieve a brighter, more uniform look.

Combining Colours for Better Results

While each light has its own unique benefits, you don’t have to stick to just one. The most effective approach often involves using multiple colours to address different concerns simultaneously. For dark spots, a combination of green and red light is a powerful duo. The green light works to fade the pigmentation, while the red light helps repair and rejuvenate the skin. Using a device that offers a range of colours, like the NOVALIGHT™ Regenmask 2.0, allows you to create a customised treatment for a truly comprehensive approach to skincare.

Your Light Therapy Options: LED, Laser, and IPL

When you hear "light therapy," you might picture a few different things. That’s because it’s an umbrella term for several treatments that use light to improve the skin. While they all share a common principle, LED, Laser, and IPL therapies work in very different ways, targeting different concerns at different depths. Think of them as different tools in a skincare toolkit. One might be a gentle, everyday buffer, while another is a high-powered polisher for more serious jobs. Each one has its own strengths, ideal use cases, and level of intensity.

Choosing between them isn't about finding the single "best" option, but about finding the best option for you. Your decision will depend on what you're trying to achieve—are you looking to fade a few stubborn sun spots, reduce overall redness, or build a consistent routine to keep your skin clear and firm? It also comes down to practical things like your budget and how much downtime you're willing to have. Understanding the key differences will help you figure out which approach is the right fit for your skin goals. Let's break down the big three so you can see exactly how they stack up.

What is LED Light Therapy?

LED (Light Emitting Diode) therapy is a gentle, non-invasive treatment that uses varying wavelengths of light to treat skin concerns on the surface. Unlike UV light, it’s completely safe and doesn’t cause any damage. Instead, the light penetrates your skin at different depths to trigger natural biological processes, like stimulating collagen production or killing acne-causing bacteria. Because it’s so gentle, it’s a fantastic and safe option for tackling mild to moderate concerns like fine lines, inflammation, and uneven skin tone. This is the technology you’ll find in at-home devices like the Regenmask 2.0, making it perfect for consistent, convenient treatments without any downtime.

Understanding Laser Treatments

Laser treatments are the heavy hitters of the light therapy world. They use a single, highly concentrated beam of light to target very specific issues with incredible precision. Because the light is so focused, it can penetrate much deeper into the skin than LED light can. This makes lasers effective for more significant concerns like deep-set wrinkles, acne scars, and removing stubborn dark spots. However, this intensity means treatments must be performed by a trained professional in a clinic. They often come with a higher price tag and usually require some recovery time as your skin heals.

An Introduction to Intense Pulsed Light (IPL)

Often confused with lasers, Intense Pulsed Light (IPL) is a bit different. Instead of a single beam of light, IPL uses broad-spectrum light delivered in short, powerful flashes. It’s sometimes called a "photofacial." IPL is particularly good at treating pigmentation issues. The light is absorbed by the melanin (pigment) in dark spots and the haemoglobin in broken capillaries, causing them to break down and fade over time. It’s a versatile choice for tackling sun damage, redness, and general unevenness. Like laser treatments, IPL is a professional procedure that you’d get at a dermatologist’s office or a medical spa.

Which Treatment is Most Effective?

The most effective treatment really comes down to your specific skin concern and what you’re hoping to achieve. If you're dealing with deep scars or severe sun damage, a professional laser treatment might be the most direct route. For widespread redness or sun spots, IPL could be a great option. However, for managing mild to moderate hyperpigmentation, improving overall skin tone, and maintaining a healthy glow, LED therapy is an incredibly effective and accessible choice. It allows you to treat your skin consistently at home without the cost, pain, or downtime of clinical procedures, making it a sustainable part of any long-term skincare routine.

Professional vs. At-Home Light Therapy

So, you're sold on the idea of light therapy, but now you're facing a big decision: should you book an appointment at a clinic or invest in a device you can use at home? It’s a common question, and the right answer really depends on your specific skin goals, your budget, and how much time you can commit. Professional treatments, like lasers and IPL, are administered by a trained technician and offer powerful, targeted results. They're often the go-to for more significant skin concerns.

On the other hand, at-home devices, particularly LED masks, bring the technology right into your living room. They offer incredible convenience and are designed for safe, regular use to gradually improve your skin and maintain its health. Think of it like personal training versus a gym membership. One offers intense, guided sessions, while the other provides the tools for you to build a consistent, long-term routine. Let's break down the key differences to help you decide which path is the best fit for you and your skin.

Comparing Power and Results

The biggest difference between professional and at-home treatments comes down to power. In-clinic lasers use concentrated, high-energy beams of light that penetrate deep into the skin, making them a powerful option for more severe hyperpigmentation or scarring. At-home LED devices, like masks, use lower-intensity light. While they don't have the same immediate "wow" factor as a laser session, their strength lies in consistency. Regular use of an at-home device can deliver fantastic results for mild to moderate dark spots, fine lines, and acne over time. It’s a gentler approach that supports your skin’s health without the intensity or downtime of a professional procedure.

A Look at the Cost

Let's talk about the financial side of things. A single professional laser or IPL session can cost hundreds of pounds, and you'll likely need a series of treatments to see the results you want. While effective, the total bill can quickly climb into the thousands. In contrast, an at-home device like the NOVALIGHT™ Regenmask 2.0 is a one-time purchase. While it's an initial investment, you get unlimited sessions for years to come, making it a much more accessible option in the long run. It puts you in control of your treatment schedule and your budget, allowing you to maintain your results without booking constant, costly appointments.

Factoring in Your Time Commitment

Your schedule is another huge factor. Professional treatments require you to book appointments, travel to a clinic, and set aside time for the session itself. It can be a significant commitment. The beauty of at-home light therapy is its convenience. You can use your device while watching TV, listening to a podcast, or just relaxing for 10-20 minutes at the end of the day. However, this convenience comes with a catch: you have to be consistent. Using your mask several times a week is the key to seeing visible improvements. It’s about building a simple, sustainable habit that fits seamlessly into your existing routine.

Key Safety Differences

Safety is always a top priority when it comes to skincare. Professional treatments like lasers and IPL are more intensive and carry a higher risk of side effects, such as redness, swelling, and, in rare cases, burns or infection if not performed correctly. At-home LED therapy is designed to be much gentler and is widely considered a safe and effective treatment with minimal risk. The lower energy levels mean there’s virtually no downtime. Still, it's important to protect your eyes. Most quality masks come with built-in eye protection or recommend using goggles, which is a simple step to ensure your sessions are completely worry-free.

How to Choose the Right At-Home Device

Ready to bring light therapy home? It’s an exciting step, but with so many options out there, it can feel a bit overwhelming. Choosing the right device is the key to getting the results you want. Think of it like finding the perfect moisturiser—what works for one person might not be the best fit for you. We need to consider your specific skin goals, the technology itself, and how it fits into your life. Let’s walk through exactly what to look for so you can invest in a tool that will become a staple in your skincare routine.

What to Look For in a Device

First things first, think about what you want to achieve. Different skin concerns respond to different colours of light. If fading dark spots is your main goal, you’ll want a device that offers green light, which is known to target melanin-producing cells. For general anti-ageing and collagen production, red light is your go-to. Many of the best devices, like the NOVALIGHT™ - Regenmask 2.0, offer multiple colours, giving you the flexibility to tackle different issues. Also, pay attention to the number of LED bulbs and the device's power density. More bulbs generally mean more complete and even coverage for your skin.

The Importance of Safety Certifications

This is a big one, and it’s not something to skim over. You’re using this device on your face, so safety is paramount. Look for products that have been independently tested and certified. In the UK and Europe, the CE mark is a key indicator that a product meets high safety, health, and environmental protection standards. This certification means the device has been properly assessed before being sold. It’s your assurance that the product is well-made and safe for its intended use. A reputable brand will always be transparent about its safety credentials, so don’t be afraid to check for them on the product page or packaging.

Device Types and Coverage Area

At-home light therapy devices come in a few different forms. You’ll find small, handheld wands, which are great for targeting a single blemish or a small dark spot. Then there are masks, which are designed to treat the entire face at once. If you’re dealing with widespread hyperpigmentation, acne, or want overall rejuvenation, a mask is far more efficient. They provide even, consistent light exposure across your whole face and are usually hands-free, so you can relax, read, or catch up on a podcast during your session. This convenience makes it much easier to stick with the treatment consistently.

Common Light Therapy Myths, Busted

Let's clear up a couple of things you might have heard. First, the idea that LED therapy is just a passing trend. The reality is that this technology has been studied and used by dermatologists for decades; it's only recently that it has become accessible for at-home use. It's a valuable addition to a solid skincare routine. Another common myth is that you’ll see dramatic results overnight. While light therapy is effective, it’s a gradual process. True changes in your skin take time and consistency. Think of it as a workout for your skin—you won’t see a difference after one session, but with regular use, the results will follow.

Your At-Home Treatment Guide

So, you’ve got your device and you’re ready for that glow. Getting the best results from your at-home light therapy sessions is all about creating a simple, consistent routine. It’s not just about flipping a switch; the steps you take before and after your treatment can make a huge difference. Think of this as your simple cheat sheet to making every session count and getting one step closer to clearer, more even-toned skin. Let’s walk through how to build the perfect routine around your light therapy mask.

How to Prep Your Skin

Before you even think about putting on your mask, you need to start with a clean slate. Always wash your face thoroughly with a gentle cleanser to remove any makeup, oil, or daily grime. This step is non-negotiable because a clean surface allows the LED light to penetrate your skin properly and work its magic without any barriers. Pat your skin dry, and you’re ready to go. Don’t apply any thick serums or moisturisers just yet—save those for after your session.

How Often Should You Use It?

Consistency is your best friend when it comes to light therapy. You won’t see a change overnight, but with a steady routine, the results will follow. For the best outcome, aim to use your Regenmask 2.0 three to five times a week. Each session should last between 10 and 20 minutes. Find a time that works for you—maybe while you’re listening to a podcast or winding down before bed—and stick with it. Committing to a regular schedule is what truly helps fade dark spots and improve your skin’s overall appearance over time.

What to Do After Your Session

Once your 10-20 minutes are up, your skin is primed to absorb all the goodness from your skincare products. But before you do anything else, let’s talk about protection. Your daily routine must include sunscreen. Applying a broad-spectrum SPF of 30 or higher every single morning is crucial. This helps protect the progress you’re making with your light therapy and prevents new dark spots from forming due to sun exposure. Think of it as safeguarding your investment in your skin.

Skincare to Pair with Light Therapy

Light therapy works beautifully on its own, but you can support its effects by using the right skincare products. After your session, apply a brightening serum containing ingredients like Vitamin C or niacinamide to further target pigmentation. You can also incorporate a gentle exfoliant with AHAs or BHAs into your weekly routine (on non-therapy days) to slough away dead skin cells. To finish, lock everything in with a good moisturiser or a hydrating product like our Anti-wrinkles BB Cream for a touch of coverage and hydration.

Is Light Therapy Safe? What You Need to Know

It’s completely normal to wonder about the safety of any new skincare treatment. The good news is that LED light therapy has a strong safety record, especially when compared to other light-based treatments like lasers or IPL. Unlike the sun, at-home LED devices don't use damaging UV rays. Instead, they use visible light at specific, gentle wavelengths to work their magic on your skin.

Still, it’s smart to be informed. Let’s walk through what you need to know to use light therapy safely and confidently, so you can focus on getting that glow.

Potential Risks and Side Effects

When used correctly, at-home LED devices are very safe, but some people might experience mild side effects. These can include temporary redness, slight irritation, or headaches, particularly if you’re new to the treatment. Most of these issues are minor and often resolve on their own as your skin adjusts. To minimise any risks, always follow the device instructions, especially regarding treatment times.

It's also important to protect your eyes. While the LED light used in masks isn't as intense as a laser, direct, prolonged exposure isn't recommended. That’s why quality devices like the NOVALIGHT™ Regenmask 2.0 come with built-in eye protection. Following the guidelines ensures your experience is not only effective but also completely comfortable.

What If You Have Sensitive Skin?

If your skin is on the sensitive side, you’re likely extra cautious about new treatments, and rightly so. The great thing about LED therapy is that it’s non-invasive and doesn’t generate heat, making it one of the gentler options available. It’s much kinder to the skin than more aggressive in-clinic procedures like Intense Pulsed Light (IPL), which can sometimes cause blistering or significant irritation.

That said, it’s always best to listen to your skin. I recommend starting slowly. Try a shorter session—maybe just five minutes—to see how your skin reacts. You can also do a patch test on a small area of skin. Most people with sensitive skin tolerate LED therapy very well and find it’s a fantastic way to address concerns like redness and inflammation without causing a flare-up.

Who Should Avoid Light Therapy?

While LED therapy is safe for most people, there are a few instances where you should exercise caution or avoid it altogether. If you have a condition that causes photosensitivity, it’s best to steer clear. Similarly, if you’re taking any medications that increase your skin's sensitivity to light, such as certain antibiotics or retinoids like isotretinoin, you should check with your doctor first.

It’s also wise to consult your GP or dermatologist before starting light therapy if you are pregnant, have epilepsy, or have an active skin infection or suspicious lesion in the treatment area. Your health is the top priority, and getting a professional opinion ensures you’re making the best choice for your specific circumstances.

When to See a Dermatologist

Your at-home skincare routine should empower you, not cause you stress. A good rule of thumb is to consult a dermatologist before starting any new advanced treatment if you have a pre-existing skin condition like severe acne, rosacea, psoriasis, or eczema. A professional can give you personalised advice and confirm whether LED therapy is a good fit for your management plan.

You should also make an appointment if you experience any side effects that don't go away after a day or two, such as persistent redness, irritation, or discomfort. A dermatologist can help you figure out what’s going on and ensure your skin stays healthy. Think of them as your partner in achieving your skin goals safely.

Making Your Results Last

You’ve invested in your skin with light therapy, and you’re starting to see that healthy glow. So, how do you keep it? Getting great results is one thing, but making them last comes down to building simple, effective habits. It’s all about consistency and supporting your skin’s health from the outside in. Think of it as a long-term partnership with your skin. By following a solid routine, using the right products, and protecting your skin from future damage, you can enjoy the benefits of your light therapy sessions for a long time to come. Let’s get into the practical steps you can take to maintain your results.

Following the Right Routine

Consistency is your best friend when it comes to light therapy. Think of it like a workout for your skin—you won’t see lasting changes from just one session. To get the best results, you need to stick with it. Most experts recommend using an at-home device like the NOVALIGHT™ Regenmask 2.0 a few times a week. Carve out about 10 to 20 minutes for each session. Find a time that works for you, whether it’s while you’re listening to a podcast in the evening or enjoying your morning coffee. Making it a regular part of your self-care schedule is the surest way to see real, lasting improvement in your skin.

Pairing Light Therapy with Your Skincare

Light therapy works even better when you pair it with the right skincare. Your LED mask can actually help your favourite products work more effectively by preparing your skin to absorb them. After your session, reach for serums that target your specific concerns. If you’re working on fading dark spots, look for ingredients like Vitamin C, niacinamide, or licorice root extract. These are known for their brightening properties and can help even out your skin tone. Applying a serum with powerful ingredients after your treatment gives your skin the extra support it needs to repair and rejuvenate, helping you achieve that clear, even complexion you’re aiming for.

How to Track Your Progress

Patience is a virtue, especially in skincare. Light therapy works at a cellular level, so it takes time to see visible changes on the surface. You’ll likely start to notice improvements in your skin’s texture and tone within four to six weeks of consistent use. To really see the difference, try taking photos in the same lighting once a week. It’s a great way to see subtle changes you might otherwise miss. For the most significant results, especially with pigmentation, plan on continuing your treatments for at least three months. Committing to a full course of treatment with something like our Automatic Rejuvenation Pack ensures you give your skin the time it needs to fully benefit.

Maintaining Your Glow Long-Term

Once you’ve achieved the results you want, the goal is to maintain them. The single most important thing you can do is protect your skin from the sun. Sun exposure is a primary cause of dark spots and can undo all your hard work. Make it a non-negotiable habit to wear a broad-spectrum sunscreen with at least SPF 30 every single day, even when it’s cloudy. This simple step will prevent new spots from forming and keep your skin looking even and bright. Continue with your light therapy sessions as needed for maintenance, and you’ll be able to enjoy your healthy, glowing skin for years to come.

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Frequently Asked Questions

How long will it actually take to see my dark spots fade? Patience is key here. While some people notice a brighter complexion within a few weeks, fading stubborn dark spots is a gradual process. For most, visible improvement starts to show around the 4 to 8-week mark with consistent use. Think of it as a long-term commitment to your skin's health, not an overnight fix.

Can I use my LED mask with active skincare ingredients like Vitamin C or retinol? Absolutely, but timing is everything. It's best to use your mask on clean, dry skin. After your session, your skin is perfectly prepped to absorb products, making it the ideal time to apply your Vitamin C or other brightening serums. For stronger actives like retinol, I suggest using them on alternate nights to your mask sessions to avoid any potential irritation.

Is using an LED mask uncomfortable or painful? Not at all! One of the best things about at-home LED therapy is that it's a completely painless and relaxing experience. The mask produces a gentle, warm light but doesn't get hot. Most people find the 10-20 minute session to be a great time to unwind, listen to music, or just take a quiet moment for themselves.

I have both acne and dark spots. Which colour should I use? This is a great question, and the answer is you don't have to choose just one. A device with multiple colours is perfect for this. You could alternate between blue light sessions to target acne-causing bacteria and green light sessions to focus on fading the pigmentation. Some masks even allow you to use a combination of lights to tackle multiple concerns at once.

Will my dark spots return if I stop using the mask? Light therapy helps fade existing spots and improve your skin's health, but it can't prevent future damage on its own. If you stop using the mask and don't protect your skin, new spots can certainly form, especially from sun exposure. The best strategy is to think of the mask as part of your long-term maintenance routine and to be absolutely diligent with daily sunscreen to protect your results.

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