3 ms·
Not a lack of Ultra Violet light, but a lack of Violet light, which also needs to be quite bright in order to have a proper effect. https://www.ncbi.nlm.nih.go
by unbad505 4y ago
Not a lack of Ultra Violet light, but a lack of Violet light, which also needs to be quite bright in order to have a proper effect.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8179197/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8179197/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5233810/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5233810/