Do they work or is it just a gimmicky thing. I was looking at this.
They remove UV, is it not UV that produces vitamins in your body?
https://www.amazon.co.uk/AMBOTHER-P...1&keywords=uv+light+sad&qid=1611896902&sr=8-6
They remove UV, is it not UV that produces vitamins in your body?
https://www.amazon.co.uk/AMBOTHER-P...1&keywords=uv+light+sad&qid=1611896902&sr=8-6