660nm vs 850nm: Which Wavelength Is Right for You?

Two Wavelengths, One Spectrum

Most red light therapy devices — including the entire Lufalight lineup — combine two types of light: visible red light (typically around 630-660nm) and near-infrared light (NIR) (typically around 810-850nm). Both sit on the same electromagnetic spectrum, just outside the range your eyes can fully perceive in the case of NIR, and both fall within the photobiomodulation "window" described in our PBM science guide.

The key difference between them is how deep into the body each wavelength travels — and that determines what each is best suited for.

Red Light (630-660nm): Surface & Skin

Red light in the 630-660nm range is absorbed primarily by the outer layers of skin — the epidermis and upper dermis. This makes it a popular choice for:

• Facial skin tone, texture, and the appearance of fine lines

• Surface-level circulation and skin health

• Areas where you want a more concentrated, localized effect

Devices like the ClearGlow Face Mask (G15) and ClearGlow Pro Face & Neck Mask (G15P) are tuned with this wavelength in mind, alongside near-infrared, for facial applications.

Near-Infrared (810-850nm): Deeper Tissue

Near-infrared light has a longer wavelength, which allows it to pass further through skin and reach muscle tissue, tendons, and joints. Because of this deeper penetration, NIR is generally favored for:

• Muscle recovery after exercise

• Joint and deep-tissue discomfort

• Larger body areas like the back, shoulders, and legs

Full-body and panel devices such as the ClinicalEdge E300, BodyMax 1800 Full-Body Panel, and BodyMax 4800 Elite are built around higher proportions of near-infrared output for exactly this reason.

Combining Both for Best Results

In practice, most Lufalight devices don't make you choose — they combine red and near-infrared LEDs in the same panel so you get surface-level and deep-tissue benefits in a single session. The ratio of red to NIR varies by device depending on its intended use:

• Face & skin devices lean toward a higher proportion of red light for surface effects, with NIR included for circulation support.

• Body & recovery devices lean toward a higher proportion of NIR for deeper penetration, with red light included for skin-level support.

Which Lufalight Device Uses Which?

Here's a quick way to think about choosing a device based on wavelength focus:

• Facial & skin goals → SleepGlow Eye Mask (EM04), ClearGlow Face Mask (G15), ClearGlow Pro Face & Neck Mask (G15P)

• Muscle & joint recovery → RecoverPro Desktop Panel (P40B), PainRelief Mini Pro (MINI60PRO), ClinicalEdge E300

• Full-body coverage → BodyMax 1800, BodyMax 4800 Elite, ClinicalPro ESPRO 3000

Still not sure which is right for you? Check out our product lineup or read our post-workout recovery guide for a sample routine using a recovery panel.