Understanding Wavelength and Light Sources

Episode 55 hosts Professor Glen Calderhead (Expert in Phototherapy from South Korea)

Phototherapy is the science of using light energy to heal and rejuvenate the body. Professor Calderhead describes his fascinating and accidental path into light therapy.

This culminated in his development of the Healite II, the world's most popular LED device. With over 43 years of experience, sit back and enjoy this masterclass from a true great in the industry.

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