Kansas Cosmetology Practice Exam

Light therapy is a treatment that uses various wavelengths of light to address several skin conditions and promote healing. LED light devices are specifically designed to emit light at different wavelengths, each of which can target specific skin issues. For instance, red LED light can stimulate collagen production and improve circulation, while blue LED light is known for its ability to reduce acne-causing bacteria.

LED technology is widely used because it is non-invasive, painless, and can penetrate the skin at various depths, promoting effects such as healing and rejuvenation. This therapy supports various skincare treatments, making LED light devices a cornerstone of modern skincare practices.

While laser machines also utilize light therapy, they operate at different wavelengths and often produce more concentrated energy to treat specific concerns, which may not be suitable for everyone. Infrared lamps are generally used for their heat-producing capabilities rather than as a targeted skincare solution, and ultrasound devices work using sound waves rather than light. Therefore, LED light devices are clearly the most appropriate choice for light therapy in skincare.