229: Lanolin Allergy + Vitamin D
I have to be honest – lanolin can be a real pain for anyone who’s allergic to it. If you’ve never heard of lanolin and you’re struggling with mystery “contact” dermatitis, it could be worthwhile asking your dermatologist or allergist to do a patch test. While lanolin allergies aren’t that common, they are tricky to navigate since lanolin is not required to be labeled and can hide quite sneakily in products you probably take daily (and would never suspect). Since I’m all abou...