Beyond creams and medicaments, acne can also be treated using light-emitting diode (LED) light. It is a new technology that can be done at home. It is a painless procedure and can be effective when properly used.
Although more dramatic results will be obtained with treatments done at the dermatological clinics, at-home devices are clinically proven to work as well.
The different wavelengths of LEDs can cause intra- and intercellular reactions to the skin, which may lead to beneficial changes.
Generally speaking, the blue light is mostly indicated for acne treatment as it provides antibacterial sebum regulation and anti-inflammation properties, which are all very important for treating acne.
The blue light helps in the elimination of the acne-causing bacteria P. acnes, as it produces porphyrins, which is a type of protein that absorbs the light and ends up killing the bacteria.
The sebum reduction will happen as the light will target the oil glands that are overactive in oily skin and make them less active.
The results will come over time and are cumulative, so continuous use is needed to obtain the desired benefits. But when in excess, the skin will stop reacting to the light. A special attention to the eyes is recommended as well, as they should not be exposed to this type of light for long periods of time.
It should not be used in association with retinoids or other products that might thin or irritate your skin, but other cosmetic products are recommended. When in doubt, ask your dermatologist before use!
Also read: Is LED Facial Treatment Worth Doing? Get To Know It All
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About the Author: MSci Maísa Melo is a Pharmacist and a current PhD student in cosmetic technology, from São Paulo, Brazil. She has earned her master’s degree from the University of São Paulo and has been involved with the development, stability, safety and efficacy of cosmetics since 2013. She has specialized in the clinical efficacy of cosmetics by biophysical and skin imaging techniques as well as the use of alternative models to animal testing. Her research work has been published in several scientific journals and book chapters from the field.
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