Abstract: AlGaN-based deep ultra-violet (DUV) LEDs, which emit in the 200–280 nm range, hold great promise for applications in water and air purification, sterilization, and medical diagnostics while ...

You’ll get 10 teeth whitening treatments, each with one upper and one lower whitening strip (totaling 20 strips), plus an LED whitening light that boosts its effects. That’s 10 daily applications in ...