Fun fact: The Blue lagoon offers a considerable discount to those with psoriasis and excema because of the  benefits from the water.,(reply>), @Valerie K thankfully i got some melanin,(reply>), @Name Clouds don't completely block any form of light, visible, or UV. If they did it would be very dark on a cloudy day,(reply>), @Malacious Mark It probably improves the skin's barrier function in some way.  That helps eczema.  Biology is complicated, though, so it's hard to say without research.,(reply>), How would it help those with autoimmune disease?,(reply>), 1kth like