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www.ascpskincare.com 37 expertadvice MODALITIES Let ere Be Light Boost your treatment menu with LED therapy by Susanne Schmaling Light-emitting diode (LED) therapy can help reduce inflammation, stimulate collagen and elastin production, and improve the overall health of the skin, making it an effective modality for a skin care practice. Let's take a closer look. WHAT IS IT? LED therapy is a painless, nonthermal, low-power light device that emits therapeutic energy through wavelengths that stimulate the skin. Originally invented for wound healing and postsurgery scars, the antiaging benefi ts of LED therapy were discovered while treating skin cancer. HOW DOES IT WORK? An LED device has a computer chip inside the probe that produces energy in a particular wavelength (or color) at diff erent frequencies to provide a desired result. The benefi ts of diff erent wavelengths used in skin therapy have been identifi ed through a broad array of studies. These benefi ts include treatment of acne lesions, infl ammation, fi ne lines, wrinkles, and hyperpigmentation. Blue light kills p. acne bacteria, while red and infrared light can reduce infl ammation, promote circulation and collagen synthesis, and accelerate healing. The improvement in the skin is based on the same principles as photosynthesis. Light is absorbed by the cells and creates a biological reaction, which results in homeostasis, or collagen and elastin production. The eff ectiveness of the treatment is based on wavelength, pulse frequency, treatment time, energy delivered (joules), and how close the panel is to the skin.