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Non-ablative Skin Rejuvenation
Connor Walsh
The Problem
• Currently, millions of Americans are aggravated by some type of skin defect such as a scar, a wrinkle, or acne.
• The medical term ablative refers to the surgical removal of tissue from the body, and in the case of a wrinkle, this tissue is usually from the face.
• This can cause weeks of recovery and pain for the patient.
Non-ablative Skin Rejuvenation• A non-ablative device is one that does not require the
removal of tissue and can be performed over the skin.
• One such device is the LED light.
• These lights can be used in all colors ranging along the wavelength spectrum
Light Emitting Diode (LED)
• An LED is a device that uses a diode to create light.
• This diode acts as a valve that allows electricity to flow in one direction.
• Electrons move from an area that is highly compressed with other electrons to an area that is not so compacted.
• This movement causes an emission of light, and it’s strength depends on the number of electrons allowed to move through the diode.
LED
How LED Healing Works
• LED light therapy works by emitting wavelengths that stimulate cellular function in the layers of the skin.
• This can be applied to many different problems we see with the skin such as aging, acne, and scarring.
• Different color LED lights have different frequencies which are used to heal many of these skin impurities.
Wound Healing
• Wound Healing
– Red LED lights have shown to stimulate cell growth in the dermis which have accelerated the healing process of wounds.
– This can also be useful when tissue engineering skin because the light can help speed the growth process.
Acne Treatment
• Acne Treatment
– Red, blue, green, and violet LED lights have all seen a positive outcome when applied to patients with acne.
– Combining red and blue LED lights have also shown an increase in skin texture and brighter skin tone as well as reducing the amount of acne.
– Some in home devices can cost up to $500.
Limitations with Anti-Aging
• Anti-aging
– Blue LED lights have shown significant improvements in reducing the effects of aging.
– This has not been perfected however and is still expensive and is therapist-intensive.
– Cost ranges from $200 to $1000 for such devices.
– Blue LED’s are more expensive because they require indium gallium nitride which is a difficult material to come by.
Towards the Future
• I predict that in the future there will be a large increase of LED lights used as medical devices.
• Exposure to blue LED light has been shown to aid in short-term arthritis relief in the hands, and further research of this could help provide more long term relief.
• Also, these non-ablative techniques will replace traditional ablative techniques because the methods are cheaper and require no surgery to perform.
References
1. Clinics in Dermatology, Volume 25, Issue 5, September-October 2007, Pages 487-491Tina S. Alster, Jason R. Lupton
2. Yeh, Chia-Hao Wu, Ta Chih Cheng. Renewable & sustainable energy reviews. 2010;14:2161.
3. Otolaryngology - Head and Neck Surgery, Volume 130, Issue 4, April 2004, Pages 397-406Benjamin A. Bassichis, Steven Dayan, J. Regan Thomas
4. http://www.ledlights.org/FAQ/What-are-LEDs-Made-Of.html
5. Applied Surface Science, Volumes 113-114, April 1997, Pages 689-697Shuji Nakamura
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