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Article: All about wavelengths and power density of LED light therapy

All about wavelengths and power density of LED light therapy

All about wavelengths and power density of LED light therapy

IN THIS ARTICLE:

When choosing an LED light therapy device, such as a mask, you've likely heard about finding the right color or wavelength for your skin. But here's the deal: there's one more essential thing to consider - the power density or strength of the device.

If you’re really serious about optimizing your LED light therapy treatment, it's essential to familiarize yourself with the concept of power density.

What is LED light therapy?

LED light therapy is a non-invasive skin treatment that makes use of the power of light energy to address a range of skin concerns and promote skin health. The best part? It's completely safe! LED light therapy only uses UV-free and non-thermal LED bulbs, ensuring your skin is protected from any potential damage.

Initially used in medical settings to treat chronic pain, infections, and aid in wound healing, the remarkable benefits of LED light therapy quickly caught the attention of the skincare industry. Today, it has become an integral part of skincare routines worldwide, offering an effective and science-backed solution for achieving healthier and more radiant skin. So, if you're looking for a reliable and proven way to enhance your skin, LED light therapy is definitely worth exploring. 

Here are a few of the well-known benefits of LED light therapy, as classified into two popular categories:

Anti-aging 

Anti-acne

  • Diminishes fine lines and wrinkles
  • Lifts and tightens skin
  • Restores elasticity and plumpness
  • Enhances circulation
  • Makes skin glow with health
  • Eliminates acne-causing bacteria
  • Unclogs and minimizes pores
  • Manages sebum production
  • Calms and soothes inflamed and sensitive skin
  • Evens out skin tone 

 

What are wavelengths in LED light therapy?

Wavelengths matter.

Wavelengths are the vibrant colors of visible light that the human eye can see. They're measured in nanometers (nm), which is a fancy way of talking about their size. Now, here's the cool part: when it comes to LED light therapy, picking the right wavelength is crucial for getting the best results.

Imagine this: if you choose a color with a wavelength that’s not optimal and doesn't match your skin concern, it's like trying to fit a square peg into a round hole – it just won't work. That's why it's important to find the best color wavelength for your skin goals. For example, if you're targeting wrinkles, look for red light in the range of 633nm and 670nm. This magical window, known as the therapeutic range, delivers beneficial effects without any known side effects. It's like finding the perfect balance between effectiveness and safety for your skin.

For even more advanced LED light therapies, you can take it up a notch by combining specific color wavelengths for maximum results. Take, for example, the dynamic duo of red light with a wavelength of 633nm and near infrared light (NIR) at an impressive 830nm. When used together, these wavelengths work wonders on muscle recovery and fatigue reduction post-workout. If you're looking to take your LED light therapy to the next level, consider the magic of combining wavelengths for an exceptional experience.

What is power density and its importance in treatment?

In simple terms, power density refers to the amount of light energy released per unit area. It's the strength of the wavelengths that your LED light therapy device emits.

To achieve optimal results, LED light therapy devices typically operate within a specific range of 10 – 200mW/cm². This ensures that the right amount of light energy is delivered to your skin. The proximity of the device to the target area plays a crucial role in maintaining this range. Also, when it comes to strength, the more LED bulbs, the better. 

Why is this important? Well, when the power density range or strength is inadequate, there may be no therapeutic benefits. It's like having a flashlight that's too dim to illuminate anything. On the other hand, if the power density is too strong, it may lead to potential skin damage. It's like a spotlight that's too bright and burns the skin.

So, finding the right balance of power density is crucial in LED light therapy. It ensures that you receive the optimal amount of light energy for effective treatment without risking any harm to your skin. Remember, moderation is the key to harnessing the full benefits of LED light therapy.

Wavelengths and their applications

How often should you use LED light masks? Explore the world of popular LED light therapy wavelengths, frequency of use, and their applications.

RED LIGHT THERAPY 

Recommended wavelength: 630nm and 670nm

Recommended frequency of use: 3 to 4 times a week for 4 to 6 weeks, followed by once or twice a week for maintenance

Uses: reverse sun damage, reduce wrinkles and improves sagging skin

NEAR INFRARED (NIR) LIGHT THERAPY

Recommended wavelength: between 610 nm and 1000 nm

Recommended frequency of use: 10 to 20 minutes per session

Uses: pain management, muscle recovery, increased circulation, post-surgery therapy

BLUE LIGHT THERAPY

Recommended wavelength: 415nm

Recommended frequency of use: 5 to 15 minutes per session

Uses: acne treatment

GREEN LIGHT THERAPY

Recommended wavelength: 520nm, 515nm to 530nm

Recommended frequency of use: 3 to 4 times a week for 4 to 6 weeks, followed by once or twice a week for maintenance

Uses: acne treatment, pain relief and wound management

Discover the recommended wavelengths available in Project E Beauty's range of LED light therapy masks. Get to know options such as the LightAura Plus, which features an additional LED panel for the neck, the versatile 7-color LightAura, or the ultra-comfortable LightAura Flex with red and blue lights.

Lastly, you may ask: Is LED red light therapy safe? Understanding the elements discussed earlier, such as wavelengths and power density, can guide you towards a safe and effective treatment. LED light therapy is generally considered safe, as the LED bulbs are UV-free and non-damaging. However, it's still crucial to ensure you receive the right dose to make the most of your LED light therapy journey.




 written by Charlotte Rycroft

 

Reference:

https://emitleds.co.uk/led-wavelengths-doses-timings/ 

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