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Dealing with acne has become exhausting—why not give red and blue light therapy a try?

Principle of Red and Blue Light for Acne Treatment Most red and blue light devices use light-emitting diodes (LEDs) or xenon lamps as their light sources; therefore, red and blue light is often referred to as LED light. Red and blue light therapy devices employ highly pure, high-power-density red and blue light to irradiate the skin. This treatment can alter the structure of skin tissue, kill bacteria, and provide a favorable environment for the regeneration of new cells. It promotes the production of new collagen, elastin, and other connective tissues, thereby stimulating cell growth and aiding in the repair of inflammatory acne.

2026

How effective is red and blue light therapy for acne, exactly?

1. Blue-light therapy for acne removal works through a series of natural physical processes, including eliminating acne-causing bacteria, altering the intracellular pH, and—most importantly—improving the immune system’s function. 2. Because of these mechanisms, the treatment delivers noticeable results, and the effects persist even after the treatment is discontinued, making recurrence less likely. It is an effective photodynamic therapy approach. 3. Combined red-and-blue-light therapy for inflammatory acne: Combining blue light and red light to treat acne represents a novel therapeutic approach. This method can effectively clear inflammatory and cystic acne lesions while also enhancing immune system function. Blue light: has antibacterial properties and helps regulate the immune system. When used alone, blue light therapy can reduce inflammatory lesions by an average of 73%. Red light: has anti-inflammatory effects and can reduce the likelihood of acne scars forming. The average clearance rate for acne using red light is 82%. In addition to using red and blue light for acne treatment, patients can also opt for professional pharmaceutical treatments. For those with mild acne symptoms, topical clindamycin phosphate gel is recommended; it exhibits strong antibacterial activity against Propionibacterium acnes and can also reduce fatty acids on the skin’s surface, thereby aiding in acne treatment. If symptoms are more severe, oral medications such as Compound Muniziqi Granules are suggested. These granules help regulate abnormal body fluids and constitution, detoxify the body, treat acne, and reduce acne scars. Meanwhile, Detoxification and Skin-Nourishing Capsules are beneficial for constipation, acne, and facial pigmentation caused by internal heat toxicity, promoting qi circulation and blood flow while reducing acne formation.

2026

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