What is red light therapy used for?

Published: November 21, 2025
Updated: November 21, 2025

Red light therapy utilizes light wavelengths between 630 and 850 nanometers to penetrate deep into the skin. This treatment is non-invasive and uses the body's own energy to stimulate cellular energy. It primarily treats pain relief and helps rejuvenate the skin. The light also stimulates the mitochondria to produce more collagen and significantly reduces inflammation.

Collagen stimulation is responsible for the efficacy of red light in fighting the signs of ageing. These red rays can stimulate your body's collagen production by up to thirty percent per session, helping to plump out wrinkles and improve skin elasticity. For those suffering from rosacea and eczema, the anti-inflammatory benefits will work wonders. Still, overall, those who receive regular treatments will see smoother, healthier-looking skin.

Another major application area is pain management. The light penetrates muscles and joints to speed healing. It eases soreness from workouts and chronic arthritis discomfort. Many users report having fifty percent less pain if sessions are kept up regularly. Both athletes and individuals with arthritis can benefit from this approach.

Red Light Therapy Applications
ApplicationMuscle RecoveryWavelength630-660 nmTreatment Protocol
10 min daily post-exercise
ApplicationArthritis ReliefWavelength660-850 nmTreatment Protocol
15 min per joint 3x weekly
ApplicationWrinkle ReductionWavelength630 nmTreatment Protocol
10 min daily on clean skin
ApplicationWound HealingWavelength850 nmTreatment Protocol
20 min daily under medical guidance
ApplicationInflammation ControlWavelength660-850 nmTreatment Protocol
15 min per area as needed

Session Guidelines

  • Position device 6-12 inches from target area
  • Treat each section for 10-20 minutes maximum
  • Use protective eyewear if treating near eyes

Frequency Recommendations

  • Muscle recovery: daily after workouts
  • Skin rejuvenation: 3-5 times weekly
  • Chronic pain: alternate days for 8 weeks

Safety Precautions

  • Avoid use on thyroid or cancerous areas
  • Discontinue if skin irritation occurs
  • Consult doctors before use with photosensitivity

Clinical studies support those findings further. There is evidence that collagen levels can be measured to be higher following treatment with LLLT. There is some evidence that pain can be lessened in patients with arthritis and fibromyalgia following treatment. There is evidence that wound healing can occur 30% faster in laboratory studies. These make LLLT a reliable adjunct to conventional medications.

Home devices provide convenient ways to enjoy these benefits. Select FDA-cleared panels that undergo proper wavelength certification. Start with shorter sessions and train your skin for longer treatments. Consider treatments with a pro for serious skin conditions. Consistency yields the best long-term results for both your health and appearance.

Read the full article: Light Therapy: Benefits, Types, and Uses

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