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Red and Blue Light Therapy Device

Mechanism of Red Light Therapy: **Enzyme-Driven Reaction** The red light therapy device can penetrate subcutaneous tissues to a depth of approximately 3–5 cm, where it interacts with mitochondria in human cells. These mitochondria strongly absorb the red light, triggering an efficient photochemical reaction—specifically, an enzyme-driven process. This reaction boosts the activity of various enzymes, such as catalase (CAT) and superoxide dismutase (SOD), thereby enhancing cellular metabolism, increasing glycogen levels within cells, and ultimately promoting DNA, RNA, and protein synthesis while also facilitating the breakdown of adenosine triphosphate (ATP). As a result, cellular respiration improves, microcirculation in tissues is enhanced, and both granulation tissue growth and wound healing are accelerated, ultimately aiding in the recovery from various conditions. **Anti-Inflammatory Effects** Red light therapy enhances the phagocytic activity of white blood cells, helping to reduce inflammation and bolster the body’s immune defenses. **Anti-Edema and Pain Relief** By lowering the levels of serotonin (5-HT) in affected areas, red light therapy effectively alleviates pain and reduces swelling. --- Mechanism of Blue Light Therapy: **Blue Light’s Bactericidal Properties** When bacteria are exposed to blue light, endogenous porphyrins within their cells become excited. These activated porphyrins transfer energy to oxygen molecules, generating highly reactive species such as singlet oxygen and hydroxyl radicals—molecules known for their potent cytotoxic effects. As a result, bacteria are eradicated. **Acne Treatment** Blue light therapy primarily targets *Cutibacterium acnes*, the bacterium responsible for inflammatory acne infections. By selectively irradiating the skin with blue light, the treatment eliminates these bacteria, reducing inflammation and ultimately clearing acne. The unique mechanism behind this effect lies in the fact that *C. acnes* naturally produces porphyrins during its metabolic processes. These porphyrins specifically absorb blue light at a wavelength of around 415 nm, leading to cell death upon exposure. Notably, blue light is highly pure, deeply penetrating, yet completely non-invasive. **Laser “Antibiotic” Alternative** Blue light serves as a safe and effective alternative to traditional antibiotics for treating surface infections caused by a wide range of bacteria, including methicillin-resistant Staphylococcus aureus (MRSA), Pseudomonas aeruginosa, Acinetobacter species, Escherichia coli, Salmonella, Shigella, and facultative anaerobic Gram-positive pathogens like Listeria monocytogenes. It promotes faster wound healing, reduces the need for antibiotic use, and helps prevent the development of bacterial resistance. --- Indications: This therapy is suitable for reducing inflammation, relieving pain, improving blood circulation, accelerating wound healing, and serving as an adjunct treatment for acne.