Levels, Benefits and Considerations Red and infrared light therapy uses specific wavelengths of light to interact with the body's cells, promoting a variety of health and wellness benefits. Below, we analyze the different levels of red and infrared light, their effects, recommendations, and key warnings. Levels of Red and Infrared Light 1. Visible Red Light (620-750 nm) How it works: Penetrates the skin up to 8-10 mm. Benefits: Stimulates collagen and elastin production. Improves skin texture and elasticity. Promotes wound healing and treats acne. Recommendations: Daily exposure of 10-20 minutes. Ideal distance: 15-45 cm from the device. Recommended areas: Face and neck: Ideal for improving skin texture, reducing wrinkles and treating acne. Hands and décolleté: To rejuvenate sun-exposed areas and stimulate collagen production. Superficial scars: To speed up healing and improve overall appearance. 2. Near Infrared Light (750-1000 nm) How it works: Penetrates deeply, reaching muscles, joints and internal tissues. Benefits: Reduces inflammation. Relieves muscle and joint pain. Improves sports recovery and blood circulation. Recommendations: Use 3-5 times per week, in sessions of 10-20 minutes. Recommended areas: Joints: Knees, elbows, wrists and ankles, to relieve joint pain and reduce inflammation. Large muscles: Back, legs and arms, to improve muscle recovery after exercise or injuries. Internal tissues: Applicable to areas with circulation problems or chronic pain, such as the lower back. 3. Medium Infrared Light (1000-3000 nm) How it works: Moderate penetration, mainly absorbed by the water in the tissues. Benefits: Stimulates blood circulation. Provides relief from muscle and joint pain. Recommendations: Use under professional supervision, as it has greater thermal power. Recommended areas: Deep muscles: Quadriceps, glutes and abdomen, to improve circulation and relieve tension. Areas with chronic muscle pain: Lower back, shoulders and neck, especially for people with accumulated stress. Tissues affected by injuries: Ideal for moderate inflammation or recovery of injured areas. 4. Far Infrared Light (3000 nm - 1 mm) How it works: Penetrates superficially with a noticeable thermal effect. Benefits: Promotes detoxification through sweating. Improves circulation and relaxes the muscles. Recommendations: Use in infrared saunas. Sessions of 15-30 minutes, adapted to individual tolerance. Recommended areas: Whole body: Commonly used in infrared saunas, ideal for general detoxification. Back and torso: For muscle relaxation and improved circulation. Legs and feet: Especially useful for stimulating circulation and relaxing the muscles after long days on your feet. Additional notes: Face: Preferably use visible red light, as deep infrared wavelengths can generate excessive heat. Inflamed areas: Near infrared light is ideal, as it penetrates enough without overheating. Areas with scars: Visible red light helps stimulate superficial skin regeneration. General Benefits Pain and inflammation reduction: Improves conditions like arthritis and sports injuries. Skin health: Increases collagen production, improves scars and fights aging. Physical recovery: Accelerates cell regeneration and muscle recovery. Performance optimization: Improves cellular energy (ATP) and endurance. Stress reduction: Has positive effects on mood. Eye health: In controlled exposures, it can benefit the retina. Warnings and Side Effects Overexposure: Can reduce effectiveness due to the biphasic dose-response curve. Eye protection: Use protective goggles to avoid prolonged exposure. Medical conditions: Consult a doctor if you have hypertension or photosensitivity. Heat sensitivity: Caution for people sensitive to temperature. Conclusion Red and infrared light therapy offers significant benefits, but it must be used responsibly. Discover certified devices at Luz Roja Shop.