Phototherapy Basics Blog

Professional One-Stop Light Therapy Solutions Manufacturer with Over 14 Years of Experience.

Resource Center | Contact us

Blog

Our Blogs

Basics of

Light therapy

Why Infrared and Near-Infrared Phototherapy Devices Generate Heat (And Why Red Light Feels Different)

Infrared/near-infrared phototherapy generates heat as absorbed light energy converts to molecular motion. IR warms strongly via water absorption; NIR heats deeper layers. Heat is a controllable side effect, key for device design and safety.

2026 01 30

Is Red Light Therapy a Thermal Effect or a Photochemical Effect? The Real PBM Mechanism Explained

Red light therapy relies on photochemical photobiomodulation (PBM), not thermal effects. Heat is a secondary byproduct; key is photon-triggered cellular signaling. Proper design controls heat for safety and efficacy.

2026 01 29

Heat Generation Across Phototherapy Wavebands: What the Human Body Absorbs (and What Your Device Must Dissipate)

This guide explains heat generation in phototherapy: waveband absorption differences (NIR causes most deep heat), thermal vs PBM dose, device cooling design's role in quality, and key questions for B-end buyers.

2026 01 28

Red Light Therapy for Pet Rabbits: Safe Veterinary-Grade Benefits and Guidelines

Red light therapy aids pet rabbits' comfort, recovery, and wound healing as a veterinary-adjunct. Use low doses, short sessions, prioritize eye safety/stress control; avoid medical claims. Rabbit-specific research is limited, so vet guidance is key.

2026 01 27

Benefits of Red Light Therapy for Men Across All Age Stages (Evidence-Based Guide)

Red light therapy aids men across ages via cellular support, reducing inflammation and boosting recovery. It fits skincare, sports recovery and pain management, with safe protocols key; testosterone claims lack strong evidence.

2026 01 25

Red Light Therapy Benefits for Women Across Every Stage of Life (Evidence and Safety Guide)

This guide details red light therapy (620–670 nm red, 800–850 nm NIR) benefits for females across life stages, with evidence-backed use cases, safety protocols, and brand/clinic integration tips, plus contraindications and realistic result timelines.

2026 01 25

Application Environments of Phototherapy Products: Home, Clinic, Sports, and Veterinary Use

Phototherapy products serve home, hospital, clinic, sports, office, and veterinary settings, with design, protocols, and safety tailored to each. REDDOT LED offers environment-focused modular solutions.

2026 01 23

The 9 main reasons why the price of phototherapy panels is so high

Phototherapy panels are costly due to quality light sources, R&D, niche manufacturing, supply chain stability, and after-sales support. Price reflects reliability; focus on long-term cost per effective session.

2026 01 22

Does Reflected Red Light Therapy Still Work? Understanding Irradiance Loss, Dosage, and Real-World Setups

Specularly reflected red/NIR light retains therapeutic value (wavelength unchanged), but irradiance drops due to reflector inefficiency and distance. Proper setup (short path, angle control) and time adjustment compensate; eye safety is critical.

2026 01 28

Rapid Relief of Muscle Pain with Red Light Therapy | Evidence-Based Recovery Guide

This guide explores red light therapy for muscle pain relief, covering its mechanisms (cellular energy, inflammation modulation), evidence, usage protocols, safety, and comparisons to other methods, aiding clinics, brands, and home users.

2026 01 16

Light Therapy for Cats: Safe and Effective Feline Treatment Options

Light therapy for cats (red/near-infrared, Phovia) uses photobiomodulation for skin/joint issues, recovery. Non-invasive, adjunctive to vet care, safe with protocols; results gradual. Myths debunked, FAQs addressed.

2026 01 14

Laser Therapy vs. Light Therapy: What Are the Differences? How Should You Choose?

Laser and LED light therapy share photobiomodulation but differ in delivery (focused vs broad), risk, and use cases. More power isn't better; choice depends on goals, setting, safety. LEDs suit home/repeated use; lasers need professional supervision.

2026 01 13