15 research outputs found

    Lights and Lasers for Acne

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    Acne is one of the most common dermatological conditions. It can be psychologically devastating and impact quality of life. The use of lasers and lights to treat acne has increased dramatically in the past decade due to its efficacy and minimal side effects. This chapter presents an overview of the use of lights and lasers to treat acne

    Light Emitting Diodes and Low Level Laser Light Therapy

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    Low level laser therapy (LLLT), including coherent and non-coherent light sources, also known as photobiomodulation, is a non-ablative treatment modality that alters cellular biochemical processes through its action on the mitochondria and by changing the cellular redox state. Treatment is delivered by exposing cells or tissue to light of low energy densities for a specific amount of time. This process has been reported to have beneficial therapeutic effects on a wide variety of conditions that benefit from alleviation of pain or inflammation, immunomodulation, and promotion of wound healing and tissue regeneration. LLLT’s use in dermatology is still considered experimental and investigational, hence it is currently used primarily as an adjunct therapy. Skepticisms mostly stem from ambiguities in its mechanism of action and the complexity of its dosimetry. For the same reasons, guidelines directing its use are not yet well established. Nonetheless, many recent studies have reported favorable outcomes achieved with LLLT in a number of indications (e.g. wound healing, hair growth, skin rejuvenation, fibrosis) with minimal adverse events
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