LED Light Therapy: How Different Colors Affect Skin Concerns

In the ever-evolving world of aesthetics, few treatments have proven as enduring, transformative, and innovative quite like LED light therapy. Originally developed by NASA to help astronauts heal wounds in space, LED therapy has become a skincare staple—praised for being safe, non-invasive, and impressively effective. Whether you're targeting breakouts, aging, inflammation, or dullness, light wavelengths hold the power to transform skin at the cellular level.

At Glownar Aesthetics, we’re proud to offer advanced LED light therapy devices and machines designed for professional use that help you give your clients visible results in just a few sessions. In this blog, we’ll break down how each LED light color works and share some of our top device recommendations trusted by estheticians and medical spas nationwide.

What Is LED Light Therapy?

LED (Light Emitting Diode) therapy utilizes specific wavelengths of light energy to penetrate the skin and trigger natural biological processes—without causing damage. Unlike harmful UV rays, LED light is completely safe and gentle on the skin, making it ideal for all skin types.

Each color of light penetrates to a different depth and serves a unique purpose, allowing for customized treatments based on your client’s individual needs. That’s why many professional-grade LED devices and panels include multiple light modes, giving you the flexibility to address a wide range of concerns in one device.

Red Light (630–700 nm): The Anti-Aging Powerhouse

Red LED light is one of the most popular wavelengths used in facial treatments—and for good reason. Penetrating the skin at a mid-to-deep level, red light stimulates fibroblast activity, encouraging the production of collagen and elastin, the proteins responsible for maintaining firm, youthful skin.

Key Benefits of Red LED:

• Reduces fine lines and wrinkles
• Improves skin texture and tone
• Increases circulation and cellular turnover
• Speeds up wound healing
• Reduces inflammation and redness

Red light therapy is particularly effective for mature clients or those looking to maintain a healthy, youthful glow. It can be used post-procedure to support recovery or as a standalone anti-aging treatment. Red light is especially beneficial as a calming finish after treatments like microneedling or chemical peels, 

Blue Light (405–470 nm): The Breakout Fighter

If red light is the hero of anti-aging, then blue light is the champion of clear skin. Blue LED light works closer to the skin’s surface and has powerful antibacterial properties. It specifically targets Propionibacterium acnes (P. acnes), the acne-causing bacteria that thrives in clogged pores and causes inflammation.

Key Benefits of Blue LED:

• Kills acne-causing bacteria
• Can help control active breakouts
• Soothes inflammation and redness
• Balances sebum production

Unlike topical acne treatments that may dry or irritate the skin, blue light therapy is gentle, non-invasive, and safe for regular use. It's suitable for clients with mild to moderate acne and those with sensitive or reactive skin types.

Other LED Colors and Their Skin Benefits

While red and blue light steal the spotlight, but several other colors play supporting roles in full-spectrum LED therapy devices:

Green Light (520–560 nm)

Great for pigmentation concerns, green light helps:

• Fade hyperpigmentation and sun spots
• Even out skin tone
• Calm the skin and reduce redness

Yellow Light (570–590 nm)

This soothing wavelength:

• Improves lymphatic flow
• Reduces redness and irritation
• Boosts skin radiance

Purple Light (Combination of Red + Blue)

• Combines anti-acne and anti-aging benefits
• Stimulates collagen while targeting bacteria

White Light (Broad Spectrum)

• Penetrates the deepest layers of the skin
• Helps tighten skin and reduce inflammation

Professional-grade LED panels often include multiple color settings or combinations, allowing aestheticians to create custom protocols tailored to each client’s needs.

Why Professionals Trust LED Panels from Glownar Aesthetics

At Glownar, we offer a curated selection of state-of-the-art LED light therapy devices designed for spa, medspa, and clinical settings. Our panels deliver consistent, calibrated light output to ensure maximum therapeutic benefit with every session.

LunaSol

The LunaSol for face and body is sleek and powerful—designed with 5 main color options and 3 additional combined colors, so you can treat everything from dullness to wrinkles in one system. With a whopping 2,040 light bulbs, the LunaSol offers expansive coverage and stands above many other LED systems in the market due to its high power. It is perfect for:

• Custom facials and body treatments
• Add-ons to boost other treatments
• Full-face or even full-body sessions

The panel’s large size offers excellent coverage, and its adjustable design makes it easy to position over any targeted area—whether on the face or body. For added efficiency, you can even combine LED therapy with other treatments during the same session. For example, use it while performing a lymphatic massage or while your client is comfortably strapped into the pads of a body contouring device like the popular Snella Lipo Laser. This multitasking approach not only saves time but also enhances the overall treatment experience and results.

Spark 

The Spark LED System is another great choice for skin care professionals. Compact, powerful, and incredibly easy to use, the Spark LED Light Therapy device is perfect for facial treatments or mobile services. It’s a great entry-level or add-on option for estheticians looking to offer targeted LED sessions.

Key Features:

• Red, blue, green, and yellow, purple, and orange light modes
• Adjustable design with a secure base
• Timer settings and an intuitive interface
• Ideal for spot-treating breakouts, redness, or signs of aging

Snow LED Mask

If you're looking for a sleek, hands-free option to offer LED treatments during facials or as a relaxing add-on, the Snow LED Mask is a standout. This stylish, wearable mask delivers targeted LED therapy with a comfortable, contoured fit that clients love.

Key Features:

• Includes 6 colors and a green/blue combination setting
• Lightweight design—perfect for multitasking during treatments
• Great for calming inflammation, reducing breakouts, and boosting glow
• Ideal for express facials, post-treatment care, or even retail for at-home use

Whether you're using it in the treatment room or offering it as part of an LED package, the Snow LED Mask adds a modern, spa-luxe touch to any service.

How to Add LED Light Therapy to Your Services

One of the reasons LED therapy is so popular is because it’s incredibly versatile. It can seamlessly integrate into nearly any treatment plan—elevating both results and client satisfaction. Here are a few simple and effective ways to incorporate LED therapy into your service menu:

• Add-on to Facials – Enhance the effectiveness of your treatments by adding LED therapy after microneedling, chemical peels, or extractions. The calming light reduces inflammation, soothes redness, and helps accelerate the skin’s natural healing process.
  
  
• Post-Treatment Recovery Boost – LED is a gentle way to support recovery following more intensive procedures. It’s especially useful after treatments that may cause temporary irritation or sensitivity—speeding up healing time and promoting a smoother, more radiant complexion.
  
  
• Standalone LED Sessions – Offer LED therapy as a standalone treatment for clients seeking non-invasive solutions with no downtime. Sell individual sessions or create packages tailored for ongoing skin maintenance or specific skin concerns like acne, aging, or pigmentation.

Why Clients Love It

LED sessions are completely painless, non-invasive, and require no recovery time—making them an easy sell for clients who want results without disrupting their busy schedules. With consistent use, clients often see noticeable improvements in tone, texture, and overall skin health.

LED therapy remains one of the most in-demand skin treatments—for good reason. It’s safe, customizable, and incredibly effective for a wide range of skin concerns. Whether your clients are looking for a clearer complexion, a youthful glow, or faster post-treatment recovery, LED therapy can help you deliver visible results.

At Glownar, we’re proud to offer high-performance, professional LED light therapy devices such as the LunaSol LED Light Therapy machine, Spark LED Light Therapy machine, and Snow LED Mask, built to bring flexibility, comfort, and results to every client and treatment room.