An image of a woman using blue light therapy on her faceAn image of a woman using blue light therapy on her face

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Red Light vs Blue Light Therapy: What's the Difference?

by John Tsenekos | September 04, 2024

Red Light vs Blue Light Therapy

Light Therapy has revolutionized skincare by offering non-invasive solutions to various skin concerns, from addressing signs of skin aging to combating acne. Utilizing specific wavelengths of light, the various forms of Light Therapy interact with the skin in different ways to help rejuvenate and enhance its appearance.

Red Light and Blue Light are two of the most popular types of Light Therapy, but when it comes to Red Light versus Blue Light Therapy, what makes them different and when should you use which? Let's talk about these two treatments, and how you can use them together to get your most radiant skin yet.

What Is Red Light Therapy?

Red Light Therapy is a skincare treatment that uses low-level wavelengths of light between 600 to 650 nanometers to penetrate the skin. Originally developed by NASA for plant growth experiments in space, light from this red range of the spectrum was later found to have a long list of aesthetic benefits for human skin. 

Especially in recent years, this therapy has gained popularity for its ability to target common signs of skin aging without the need for invasive procedures, long recovery times, or in-clinic visits.

Red Light Therapy works by supporting collagen production, which is a protein essential for maintaining skin elasticity and firmness. As we age, our natural collagen production decreases, which is a primary reason the signs of skin aging start to appear — with less structure and elasticity in the skin, our skin begins to wrinkle, crease, sag, and lose its vibrancy.

With Red Light Therapy's ability to penetrate skin through to the the cellular level and stimulate collagen production, the key benefits of Red Light Therapy include:

  • Reducing the appearance of fine lines and wrinkles
  • Visibly smoothing out skin texture
  • Reducing the look of hyperpigmentation caused by acne and irritation
  • Brightening the appearance of dark circles
  • Reducing the appearance of blemishes
  • Rejuvenating, depuffing, and energizing the complexion

What Is Blue Light Therapy?

Blue Light Therapy is a skincare treatment that utilizes specific wavelengths of light at 380 to 495 nanometers to address various skin concerns, particularly those related to acne. Initially used in medical settings to treat certain skin conditions, it has since become a popular non-invasive skincare treatment that can be used at home.

Blue Light Therapy works by penetrating the skin's surface and destroying acne-causing bacteria. It has also been shown to help prevent future breakouts by reducing sebum production.

What Are the Differences Between Blue and Red Light Therapy?

How They Work in the Skin

Red Light Therapy works by penetrating deeper into the skin layers, supporting collagen production to produce its anti-aging effects.

In contrast, Blue Light Therapy targets the skin's surface, focusing on eliminating acne-causing bacteria sitting on top of the skin and within breakout zones.

Which Skin Concerns Are Addressed

Red Light Therapy is ideal for addressing signs of skin aging, such as fine lines and wrinkles, as well as reducing the appearance of inflammation, redness, and dark circles. It can also help to rejuvenate and energize the skin, making it look healthier and more radiant.

On the other hand, Blue Light Therapy is specifically used to combat acne, targeting and reducing the appearance of pimples and zits.

Treatment Duration and Time To See Results

Red Light Therapy typically requires consistent use over several weeks to see noticeable improvements in skin texture and appearance (our users generally see results at around the 4 week mark with 3 treatments per week, though individual results may vary). Treatment times with our Red Light devices range from 3 to 12 minutes depending on the device.

Blue Light Therapy, aimed at addressing mild to moderate acne, often shows results within the first few sessions, with our Blue Light device offering a 3-minute spot treatment session. Again, results can vary based on the individual.

Can You Combine Red Light and Blue Light Therapy?

Combining Red Light and Blue Light Therapy can provide a comprehensive approach to skin rejuvenation, helping you address multiple concerns with LED Light Therapy alone. Red Light Therapy helps to stimulate collagen production and rejuvenate skin, visibly enhancing skin texture by reducing the appearance of fine lines and wrinkles. Meanwhile, Blue Light Therapy targets acne-causing bacteria, helping to reduce the appearance of mild to moderate pimples.

That's why we've combined Red Light and Blue Light Therapy to create our Bye Acne 3-Minute Acne Spot Treatment. This compact, easy-to-use device delivers LED Light Therapy in just 3 minutes, making it a convenient but powerful addition to any skincare routine. By harnessing the synergistic benefits of both Red Light and Blue Light, the Bye Acne device not only helps to visibly calm and soothe inflamed skin, but also promotes a healthier-looking complexion.

Recommended Routine for Blue and Red Light Therapy

To maximize the benefits of combining Red Light and Blue Light Therapy, follow this step-by-step skincare routine using the Bye Acne 3-Minute Acne Spot Treatment:

  1. Cleanse Your Face: Begin with a gentle cleanser to remove any dirt, oil, and makeup from your skin. Pat your face dry with a clean towel.
  2. Prep the Device: Ensure the Bye Acne 3-Minute Acne Spot Treatment device is fully charged and ready for use.
  3. Start Treatment: Place the device over the pimple or breakout area and turn it on. Hold it there until it automatically turns off when treatment is complete.
  4. Move to Other Areas: If you have multiple areas of concern, move the device to the next spot and repeat the process.
  5. Hydrate and Soothe: After completing your LED Light Therapy, apply a hydrating serum to nourish your skin. (Our Peptide Serum is made with Triple Hyaluronic Acid and Avocado Peptides to help your skin feel supple and plump!)
  6. Moisturize: Finish with a high-quality moisturizer to lock in hydration and support overall skin health.
  7. Sun Protection: If you are performing this routine in the morning, apply a broad-spectrum sunscreen to protect your skin from UV damage.
A call to action image to get the solawave blue light therapy device

Conclusion

Red Light and Blue Light Therapy offer distinct yet complementary benefits for achieving healthier-looking, glowing skin. Red Light Therapy excels at addressing signs of skin aging, including reducing the appearance of fine lines and wrinkles, rejuvenating the skin, and visibly calming irritation and redness. Blue Light Therapy, on the other hand, is highly effective at targeting acne-causing bacteria, reducing the appearance of pimples, and helping to prevent breakouts in the future.

We highly recommend our Bye Acne Spot Treatment if you're looking to integrate both types of LED Light Therapy into your routine, but if you don't feel like you've quite found your Red Light match, take our Skin Quiz here for personalized guidance on which Light Therapy device may work best for you!

Sources:

  1. Lighting the Way for Quicker, Safer Healing | NASA Spinoff
  2. A Controlled Trial to Determine the Efficacy of Red and Near-Infrared Light Treatment in Patient Satisfaction, Reduction of Fine Lines, Wrinkles, Skin Roughness, and Intradermal Collagen Density Increase - PMC 
  3. Blue Light in Dermatology - PMC 
  4. Blue light: Friend or foe? 

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