You can make your own one-wavelength transcranial light hat at home. The story of how it all came to be is here.
These light hat instructions produce a rustic light device. It will not receive any compliments, but it works.
It is a low-cost way to get red and near infrared light onto your head. And if I can make it, anyone can.
What you will need. Click here.
Instructions for making a one-wavelength Eliza. Click here.
If you have queries, check out the FAQ page.