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A Double Edged Sword-Overview of Red Light Therapy

by Wei Xuan Huang 09 Nov 2022


At-home red light therapy is widely used for various benefits like improving quality of life, alleviating chronic conditions and refining skin complexion.

A range of health benefits has been associated with this non-invasive mode of therapy. In fact, many leading health and wellness companies are coming forward in investing in red-light or laser devices. The consequent response from consumers has been largely positive as well.

The Beginnings of Red-Light Therapy

Back in the early 1990s, a group of scientists set out to investigate the most effective method to grow plants as a food source in space. LED light exposure quickly became the star of this research due to its astounding and promising results. The researchers found green, red, and blue LED light colours to increase antioxidant levels in radishes.

Following this study, NASA investigated the medicinal use of red lights, in which red LED lights were exposed to injured scientists. This study found red LED lights to fasten skin lesions, scars, wounds, and surgical incisions. The outcomes were subsequently published—this is where it all started!

How Does Red-Light Therapy Work?

Red-light therapies (wavelength 650 to 1000nm) are used in practice today through a process known as photobiomodulation (PBM). It entails using low-level laser lights to stimulate, heal, regenerate and protect tissues compromised in structure, function or integrity.

When a red-light source is radiated towards human skin, it penetrates about 8-10 millimetres into the surface. The absorbed light energy stimulates mitochondria, the main cell-organelle involved in adenosine triphosphate (ATP) energy productions. Subsequently, a cascade of cellular events is triggered to ramp up the availability of energy.

With more energy supply, our body can channel them to repair and rejuvenate its systems. For example, if you have a skin tear, red-light therapy helps you use more energy to produce new skin cells, stop bleeding and reduce pain. Ultimately, red-light therapy panel treatments work hand-in-hand with our cellular compositions to give you positive effects and achieve a better health quality.

Benefits of Red-Light Therapy

The benefits of red lights are genuinely limitless, and they continue to be uncovered day by day. Apart from the offered health benefits, red-light therapies are convenient, and the treatment sessions can fit snugly into your daily schedules. Red-light treatment sessions may last anywhere from 5 to 30 minutes, depending on your intended treatment conditions.

Moreover, the wide range of red-light therapy devices prices makes them cost-effective. It doesn’t matter if your budget is less than $50 or more than $100; there’s always an excellent red-light device for you. Besides, these devices come in different shapes and sizes (i.e. a red light therapy belt for people wanting to treat back pain and weight loss), so you can deliver targeted and concentrated red-light exposure.

Finally, red-light therapy is a non-invasive mode of treatment, so needle-phobia isn’t an issue anymore! Let’s take a deeper dive into the health conditions you can manage with red-light therapy.

Drawbacks of Red-Light Therapy

Like many things in this world, red-light therapy is a double-edged sword; it comes with some disadvantages that you should be aware of before making any decisions. Although red-light therapy is FDA approved, some red light devices sold in the market are not. Therefore, you need to be vigilant when purchasing a red-light machine of your own.

Additionally, the long-term effects of concurrently using red-light therapy and conventional medications are yet to be established. Many real-life trials on the effectiveness of red-light treatment have included people taking multiple conventional medications. So far, no serious adverse effects have been reported; thus, hypothetically, red-light therapy may be safe to use alongside conventional treatments.

Nevertheless, it’s good practice for you to meet your doctors immediately if you encounter any odd effects post-red-light therapy.



Red-light therapy is a promising mode of treatment that can help people in various aspects of their lives. 

If you wish to start your journey to healthy and glowing skin - you can invest in your very own best red light therapy device here.
You will get the best value for money with this device.


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