OptoCeutics Masked 40 Hz light is quite simple to use.
➤ Sit down, turn on the light and look at it for 1 hour
(it can also be used for 15 minutes 4 times a day; or you can split the total usage time in as many sessions as you please).
➤ The light is most effective when used for approximately 60 minutes a day
(preferably in the first half of the day – ie. 8 hours before going to bed).
Please refer to our user manual for more details.