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Yellow dye from the bloodred webcap fungus may be harmful to humans—red dye could be a safe alternative
The safety of dyes obtained from the bloodred webcap fungus can vary ... red dermorubin seemed safe in cellular studies, whereas yellow emodin caused mutations in a commonly used bacterial ...
Women's Health22d
Four reasons why you're nails are turning yellow (and what to do about it)
Also, if you are bothered by the yellow stain, take your nail polish off after a week or so, and dare to go bare every once in a while.' Reason 2: You have a fungus. If you tend to use public ...