IN-light blog

18 FAQs about red light therapy answered

Red light therapy has become increasingly popular recently due to its many benefits, ranging from pain relief to rejuvenating the skin. But with so much information available, it is understandable that you may still have questions about how it works exactly and whether it might be something for you. In this article, we answer the most frequently asked questions about red light therapy, so that you know everything you need to know to get started yourself.

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Find the answer to all your red light therapy-related questions here

General questions

1. What is red light therapy and how does it work?

Red light therapy is a form of laser therapy in which red and near-infrared light penetrates the skin to stimulate cells. It promotes cell repair, reduces inflammation and stimulates the production of ATP (energy source for cells). This can help with pain relief, wound healing and skin improvement, for example.

2. Is red light therapy safe? Are there any side effects?

Red light therapy is a safe treatment method. It does not use UV radiation, which means it cannot damage the skin or tissue. There are no known side effects to red light therapy, although waste products may be released during the first few sessions.

3. What does a red light therapy session feel like?

You hardly feel anything with red light therapy. With intranasal laser therapy, a session is started via a nose clip. You feel nothing from the red light. In addition, you may feel warmth or tingling with local light therapy, but this is often seen as a pleasant feeling.

4. How long will it take before I see results?

The results can vary for everyone. Most people notice something after a number of sessions, but this can also take longer or be quicker. It is also possible that you do not notice anything, but that it does work, such as strengthening the immune system. We are talking about intranasal red light therapy that supports the entire body.

5. Can red light therapy be combined with other treatments?

Yes, red light therapy is often used as a complementary treatment to other treatments. For example, it can be used to speed up the recovery process after an injury, which can support any physical therapy.

FAQ rood licht therapie

Applications and benefits

6. Does red light therapy help with pain relief and inflammation?

Yes, red light therapy can help relieve pain and reduce inflammation. It stimulates cell repair, increases blood flow and reduces oxidative stress, which can help with, for example:

  • Chronic pain (such as arthritis, fibromyalgia, back and joint pain);
  • Muscle and joint inflammation (such as tendinitis and bursitis);
  • Muscle recovery after exercise;
  • Wound healing and reducing swelling.

By stimulating the production of ATP (cell energy) and reducing inflammatory responses, red light therapy helps the body recover faster and relieve pain naturally.

7. Can red light therapy help with skin problems such as acne, eczema or wrinkles?

Yes, red light therapy can help with various skin problems:

  • Acne: reduces inflammation, soothes the skin and can regulate sebum production, reducing pimples;
  • Eczema & Psoriasis: can reduce inflammation and itching and helps restore the skin barrier;
  • Wrinkles & skin ageing: stimulates the production of collagen and elastin, making the skin firmer and smoother;
  • Wound healing & scars: accelerates cell recovery and reduces scarring.

8. Is red light therapy effective against fatigue and sleep problems?

Yes, red light therapy can help with fatigue and sleep problems. It supports the natural production of melatonin (the sleep hormone) and helps balance the circadian rhythm. This can lead to better sleep quality and more energy during the day. We are talking about intranasal red light therapy, which supports the entire body.

9. Can red light therapy strengthen the immune system?

Yes, red light therapy can strengthen the immune system. It stimulates cell energy (ATP production) and improves blood flow, allowing the body to recover more efficiently and fight infections better.

It also reduces oxidative stress and inflammation, which helps keep the immune system in balance. Some studies also suggest that red light therapy can promote the production of white blood cells, which are essential for the body's defence against disease.

10. Does it help with hair loss or hair growth?

Yes, red light therapy can help with hair loss and hair growth. It stimulates blood flow to the scalp and increases ATP production in hair follicles, which can promote hair growth. This is especially the case with localised treatment, such as with this handheld laser or a special light helmet.

11. Is red light therapy suitable for people with chronic illnesses such as fibromyalgia, ME/CFS or diabetes?

Yes, red light therapy can be suitable for people with chronic illnesses such as fibromyalgia, ME/CFS and diabetes. It can help reduce pain, inflammation and fatigue, and promote healing and blood flow. Take a look here to see how intranasal laser therapy can help you.

12. Does red light therapy also have a preventive effect?

Yes, red light therapy can also have a preventive effect. It stimulates cell regeneration, improves blood flow and reduces inflammation, which can help prevent various health problems such as muscle and joint pain, skin ageing and even infections. Regular use can improve the body's ability to repair itself and protect against future damage, thus enhancing the preventive effect. It can also help maintain healthy skin, energy levels and overall vitality.

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Use and practical questions

13. Can I use red light therapy at home or do I have to go to a clinic?

Yes, you can use red light therapy at home. There are various devices on the market, such as handheld devices (this one from PowerCure is great!), intranasal laser devices such as this one from IN-light, panels and masks, which are specially designed for home use. These devices offer a safe and effective way to experience the benefits of red light therapy without having to go to a clinic.

14. How do I know if I am using a high-quality red light device?

To know whether you are using a high-quality red light device, pay attention to these points:

  • Wavelength: look for 600-700 nm (red light) and 700-1000 nm (near-infrared) for optimal effectiveness;
  • Intensity: ensure sufficient light intensity (mW/cm²) for the desired results;
  • Quality: choose devices from reliable brands with good customer reviews and clear specifications.
  • Treatment area: a large surface area speeds up the treatment.
  • Safety: check for safety features and certifications (e.g. CE marking).
  • Warranty: a good warranty and customer service provide extra confidence in the quality.

15. Can I use red light therapy if I take medication?

Yes, you can use red light therapy while taking medication, but it is important to be careful if you are taking medication that makes the skin more sensitive to light (such as some antibiotics or acne treatments). In general, red light therapy does not have harmful interactions with most medications.

16. Can I use red light therapy if I am pregnant?

It is generally recommended that red light therapy be used with caution during pregnancy. There are no comprehensive studies confirming the safety of red light therapy during pregnancy, so it is best to consult your doctor first about its use. In many cases it is considered safe, but to be sure, it is important to seek the advice of a healthcare professional.

17. Can children use red light therapy?

Yes, children can usually use red light therapy. It is safe and can even help with skin problems or inflammation. Just make sure you use the right settings, such as lower intensity and shorter treatment time, depending on the age of the child. Red light therapy is a mild and natural way to support well-being.

18. Does red light therapy also work on animals?

Yes, red light therapy also works on animals and can help with various health problems, such as pain relief, inflammation and promoting healing. It is often used on dogs, cats and horses for issues such as joint pain, muscle injuries and skin problems. The therapy stimulates blood flow, accelerates recovery and can contribute to the animal's general well-being. It is a safe and effective treatment for many animals, provided it is applied correctly.

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Use red light therapy with the IN-light laser

The IN-light laser is an intranasal red light therapy device. You use the laser through the nose to support the entire body. This makes it possible to stimulate the mitochondria in the cells, resulting in a large number of benefits.

Benefits of intranasal red light therapy

Red light therapy via the nose has many benefits. This is what this intranasal laser therapy can do for you:

  • Strengthening the immune system: it stimulates cellular activity, which can help strengthen the immune system and improve its response to infections;
  • Reduction of inflammation: it helps reduce inflammation in the respiratory tract, which is beneficial for conditions such as allergies, sinusitis or the common cold;
  • Improvement of blood flow: it promotes blood circulation, which increases the flow of oxygen and nutrients to cells and accelerates healing.
  • Treatment of chronic conditions: it can help with conditions such as ME/CFS, fibromyalgia and migraines by improving blood circulation and cell repair.
  • Reduction of pain: it can relieve pain by producing endorphins and reducing inflammation.
  • Improved energy levels: it promotes cellular energy production (ATP), which can help improve overall energy levels.

Use the IN-light wherever and whenever you want

The IN-light laser can be used anywhere, whenever and wherever you want. You can treat yourself from the comfort of your sofa, in the car or even at work. This means you don't have to take time off and you have access to this form of light therapy anywhere!