John DeLuca
Founder of Light Therapy Reviews with a background in Management
Information Systems, data analytics, and cybersecurity.
Ohio, United States
Latest Articles by John
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Why Do I See Blue After Red Light Therapy?
Seeing blue or blue green after red light therapy is usually caused by chromatic adaptation. Learn why it happens, how eye protection affects it, and how to reduce the temporary color shift.
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What Andrew Huberman’s Expert Guest Just Said About Red Light Therapy (And Why It Matters)
Andrew Huberman’s conversation with Dr. Glen Jeffery brought red light therapy into a more serious scientific spotlight. Here’s what the episode got right about 670nm light, mitochondria, modern LED lighting, dosing, and what consumers should look for before buying a red light therapy device.
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Stop Wasting Money on Red Light Therapy: What Actually Works (And What Doesn’t)
# Stop Wasting Money on Red Light Therapy: What Actually Works and What Doesn’t The red light therapy market has exploded. Today you can find everything from $30 wands to $5,000 full-body panel setups, and almost all of them claim to support recovery, skin health, inflammation, sleep, or general wellness. The problem is that not…
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What John Uses: My Personal Red Light Therapy Setup (2026)
These are the red light therapy devices I actually use in my own routine, including my main full-body panel, busy-day mask, passive recovery pod, targeted recovery tools, and intranasal options for nighttime stuffiness and nasal breathing support.
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Red Light Therapy Discount Codes and Best Deals (Updated 2026)
Find the best red light therapy discount codes and deals for 2026, including verified affiliate savings, panel discounts, LED face mask bundles, hair growth device offers, and tips for avoiding low quality red light therapy products.
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Red Light Therapy for Fertility and PCOS/PMOS: What the Research Shows
Red light therapy for fertility and PCOS/PMOS is an emerging area of research, but the evidence is still preliminary. Early studies suggest near-infrared light may support reproductive health pathways like mitochondrial function, inflammation, and oxidative stress, though it is not a proven treatment for PCOS/PMOS, infertility, or endometriosis.
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Can Red Light Therapy Help With Scars? 2026 Guide
Scars are a normal part of the body’s repair process, but that does not mean everyone wants to live with redness, tightness, raised texture, or lingering discoloration. Whether a scar comes from surgery, acne, a burn, an injury, or a C-section, many people look for gentle ways to help it look softer, flatter, and less…
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Laser vs LED for Hair Growth Caps and Helmets: Which Technology Wins?
If you’re shopping for a red light therapy cap or helmet for hair growth, you’ll quickly encounter a fundamental choice: laser diodes (LLLT — Low Level Laser Therapy) or LEDs (Light Emitting Diodes). Brands argue passionately for both. Here’s what the science actually says. The Key Difference: Coherence The fundamental distinction between lasers and LEDs…
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Best Red Light Therapy Helmets for Hair Growth in 2026 (Top 5 Ranked)
Red light therapy helmets cover the entire scalp in one session, making them the most efficient wearable format for androgenetic alopecia (pattern hair loss) and general hair thinning. Here are the five best options for 2026, ranked by clinical backing, coverage, and value. New to photobiomodulation? Explore the complete Red Light Therapy Guide covering wavelengths,…
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Best LED Face Masks for 2026: Ranked and Reviewed
The LED face mask market has matured rapidly. After years of gimmicky silicone masks with questionable specs, a handful of genuinely effective devices have emerged. Here’s our ranked list for 2026 — based on wavelength accuracy, build quality, clinical backing, and value. Our Top Picks at a Glance Mask Wavelengths Best For Price Mito Red…