I been suffering from eczema and always wondered why I was less itchy during sunny days. So did some Googling and found this:

Just one benefit of #sunlight for people with skin issues:

“Sunlight promotes healing of skin disorders, such as acne, psoriasis, eczema, jaundice and other fungal skin infections. In one study, for example, a four-week outdoor sunbathing therapy was successfully used to significantly clear symptoms of psoriasis in 84% of subjects.”