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Philips Support

Why does Philips BlueTouch only work with blue light?

Published on 2017-05-05

Blue light of the wavelength selected for the Philips BlueTouch Pain Relief Patch (453 nm) has been shown to induce the release of nitric oxide (NO) in the skin. Combined with the warmth that is also emitted by Bluetouch, this helps the body to recover from muscular back pain without drugs.

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