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🧑 Human 🎲 Randomized trial, self-controlled 👥 23 participants ⌛ 4-week treatment / 3-month study · 2005 · UK (Birmingham)

A single-blinded randomised controlled study to determine the efficacy of Omnilux Revive facial treatment in skin rejuvenation

Bhat · Lasers Med Sci · 2005

The protocol this study used

Wavelength
633 nm
Dose
96 J/cm²
Sessions
9
Per session
20 min

What the authors concluded

Ninety-one percent of the volunteers reported visible changes to their skin. Blinded photographic evaluation reported a clinical response in 59% of the subjects. Objective analysis failed to show statistically significant changes in skin hydration or elasticity.

Devices that emit this wavelength

Matched on wavelength within 15nm, since LED bins vary by roughly that much and a tighter match would be false precision. Where we have an irradiance figure, the session length is the time needed to reach this study's dose of 96 J/cm² at that intensity.

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MitoPRO 1500+
630 · 660 · 830 · 850 nm
Measured
$1,169
≈ 20 min 55 sec / session
at 76.5 mW/cm²
MitoPRO 1500X
590 · 630 · 660 · 810 · 830 · 850 nm
Measured
$1,299
≈ 29 min 54 sec / session
at 53.5 mW/cm²
PlatinumLED BIOMAX 900
480 · 630 · 660 · 810 · 830 · 850 · 1060 nm
Measured
$1,299
≈ 17 min 43 sec / session
at 90.3 mW/cm²
MitoADAPT MAX 4.0
590 · 630 · 660 · 670 · 810 · 830 · 850 · 940 nm
Measured
$1,499
≈ 32 min 23 sec / session
at 49.4 mW/cm²
MitoADAPT MIN 4.0
590 · 630 · 660 · 670 · 810 · 830 · 850 · 940 nm
Measured
$549
≈ 39 min 19 sec / session
at 40.7 mW/cm²
PlatinumLED BIOMAX 300
480 · 630 · 660 · 810 · 830 · 850 · 1060 nm
Measured
$659
≈ 22 min 51 sec / session
at 70 mW/cm²

Matching a wavelength is not the same as reproducing a trial. Session times assume the device's published irradiance is accurate at the distance it was measured, which on brand-claim figures is often optimistic. Where a device publishes both a peak and an average we use the average, and where it publishes a falloff curve we use the lowest figure, so these times run long rather than short. Clinical protocols also control for spot size, contact and skin type in ways a home device cannot.

Source

PubMed 15909229 →

Dosimetry extracted by Vladimir Heiskanen in Photobiomodulation (PBM) research - a comprehensive database. Citation resolved against PubMed.