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Competitor catalogs often list 630 / 830 / 590 / 465. Engineering sheets and photobiology reports more often land on 630 / 850 / 590 / 415. The difference is usually rounding and marketing bands—not a totally different product.

This article helps importers, brand managers, and Amazon operators translate wavelength claims into SKU stories and supplier verification steps.

Why wavelength mix matters more than LED count

Two masks can both claim “120 LEDs” while delivering different nm mixes, irradiance, and modes. For B2B sourcing, wavelength data belongs in the same table as weight, IP rating, and battery design.

See also: LED light therapy guide · LED facial mask specs.

Catalog nm labels vs lab specifications

What each wavelength is used for in commercial positioning

630nm red — anti-aging and tone

Most private-label lines lead with red for firmness, radiance, and general rejuvenation messaging. Pair with session-time guidance (10–15 minutes) in the manual.

850nm near-infrared — depth and recovery narrative

NIR is often marketed as 830nm in consumer copy. On spec sheets, confirm the measured peak (for example 850nm) and whether it runs with red in the same mode.

590nm yellow — soothing and sensitive-skin friendly

Yellow is an under-used differentiator in crowded red/blue mask markets. Strong for brands targeting redness, barrier-support, or post-treatment calming—without medical claims.

415nm blue — acne-care and oil-control positioning

Blue targets acne-bacteria narratives in cosmetic device copy. Avoid “treats acne” unless your regulatory path supports it. Prefer acne-care / blemish-prone skin language.

How to verify wavelengths on a supplier spec sheet

• Ask for nm per mode, not only “7 colors.”
• Request irradiance (mW/cm²) at a defined distance—not LED count alone.
• Match certificate and test report model numbers to the quoted SKU.
• Compare mode logic: simultaneous vs rotating colors changes user experience and reviews.

7-color public molds vs four-wavelength platforms

Many low-cost masks rotate seven colors with limited photobiology documentation. Four-wavelength platforms with fixed nm values are easier to explain to retailers, clinics, and compliance reviewers—and easier to defend in repeat orders.

FAQ

Is 830nm the same as 850nm?

Often the same product category (near-infrared). Marketing may say 830nm while the lab report lists 850nm. Always request the test data.

Is 465nm blue the same as 415nm?

They refer to the blue band used for acne-care positioning. Suppliers may round differently. What matters is the documented peak wavelength and irradiance on your PO SKU.

Which wavelength mix sells best for private label?

Red + NIR remains the default hero story. Adding yellow helps differentiation; blue supports blemish-prone positioning. Match the mix to your channel and claims policy.

Do I need separate masks for each wavelength?

Not necessarily. Multi-wavelength masks let one SKU cover several routines—if modes and manuals are clear.

Next step

Request a spec sheet with nm values, irradiance, and sample units for your target market claims.

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