Closed for centuries to outsiders, Moulay Idriss is a sacred place bathed in colour and tradition – and it makes a welcome ...

with their performance improving as the proportion of red light decreased (Figure 9). This improvement was primarily due to the positive effect of white LEDs with a low red light proportion on the ...

Most of these LED devices use red light. “Red light therapy has been shown in clinical trials to calm the skin and improve the appearance of fine lines and wrinkles. The benefits are thought to ...