A few people have asked how long a light hat should be worn.
A previous post about the Goldilocks Effect is really important to read, as it describes the research on the odd effect of too much red light.
More red light is not better – it can make things worse. Neurones are finicky fellows and we must respect this.
So how long should you wear an Eliza light hat, or any kind of red/near infrared light on the head? As everyone’s light hat is different, it is impossible to give absolutely firm advice. But based on what I’ve observed over the time of making many and varied light hats, I’d suggest the following considerations.