THE ROYAL JOURNAL

Stories on light, recovery and the science of feeling well

Research breakdowns, recovery protocols and honest guides — written with clinicians, free of hype

LATEST ARTICLES

Fresh from the lab and the field

The 7 Color LED Light Therapy Chart: What Each Wavelength Really Does
Skin & anti-aging · 11 min read

The 7 Color LED Light Therapy Chart: What Each Wavelength Really Does

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Best Red Light Therapy Bed in 2026: A Criteria-First Buyer's Guide
Buying guides · 13 min read

Best Red Light Therapy Bed in 2026: A Criteria-First Buyer's Guide

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The Best Red Light Therapy Mask: 7 Criteria and 6 Real Masks Compared
Skin & anti-aging · 14 min read

The Best Red Light Therapy Mask: 7 Criteria and 6 Real Masks Compared

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Commercial Red Light Therapy Bed: How to Choose One by Business Type
Buying guides · 13 min read

Commercial Red Light Therapy Bed: How to Choose One by Business Type

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How to Start a Red Light Therapy Business: A Step-by-Step Guide for 2026
Buying guides · 15 min read

How to Start a Red Light Therapy Business: A Step-by-Step Guide for 2026

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Red Light Therapy Bed: The Complete Buyer's Guide (2026)
Buying guides · 15 min read

Red Light Therapy Bed: The Complete Buyer's Guide (2026)

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Red Light Therapy Bed Cost in 2026: A Real Price Breakdown
Buying guides · 12 min read

Red Light Therapy Bed Cost in 2026: A Real Price Breakdown

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Red Light Therapy Before and After: Realistic Timelines by Goal
Buying guides · 13 min read

Red Light Therapy Before and After: Realistic Timelines by Goal

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Red Light Therapy Cost: Owning a Device vs Paying Per Session
Buying guides · 12 min read

Red Light Therapy Cost: Owning a Device vs Paying Per Session

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Shark CryoGlow vs Omnilux vs CurrentBody vs RoyalGLOW: LED Face Mask Comparison
Skin & anti-aging · 13 min read

Shark CryoGlow vs Omnilux vs CurrentBody vs RoyalGLOW: LED Face Mask Comparison

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Red Light Therapy for Collagen and Wrinkles: What Realistic Anti-Aging Results Actually Look Like
Skin & anti-aging · 13 min read

Red Light Therapy for Collagen and Wrinkles: What Realistic Anti-Aging Results Actually Look Like

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Light Timing for Better Sleep: Morning Sun, Evening Dark, and Where Red Light Fits
Sleep · 12 min read

Light Timing for Better Sleep: Morning Sun, Evening Dark, and Where Red Light Fits

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Why 850 nm Penetrates Deeper Than 660 nm: Red Light Wavelengths and Tissue Depth
Science · 13 min read

Why 850 nm Penetrates Deeper Than 660 nm: Red Light Wavelengths and Tissue Depth

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Red Light Therapy for Joint Pain and Arthritis: An Evidence-Led Guide
Pain relief · 13 min read

Red Light Therapy for Joint Pain and Arthritis: An Evidence-Led Guide

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Red Light Therapy Panel vs Mask vs Belt: How to Choose the Right Form Factor
Guides · 12 min read

Red Light Therapy Panel vs Mask vs Belt: How to Choose the Right Form Factor

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A Weekly Red Light Therapy Recovery Routine for Athletes
Recovery · 13 min read

A Weekly Red Light Therapy Recovery Routine for Athletes

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