The libraryFocus
Intranasal low-level light therapy
It's always sold bundled with a helmet, so nothing you feel can be pinned on the nose.
Who it's forAny man being upsold a nostril light with his red-light helmet.
Emergency: call 911.
I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.