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 about helping people connect the dots, this seems like the perfect opportunity to discuss lanolin and its connection with vitamin D. I know you’ll find this fascinating, so get ready to do a quick dive into lanolin – a commonly used ingredient used in popular skincare products and daily supplements. In this episode: What is lanolin (and where does it come from)? How would you find out if you are allergic to it? Where it is found in skincare Lanolin + vitamin D issue Other names for lanolin Extensive (but not complete) list of products containing lanolin Quotes: Research shows an increase in sensitization between 2004 and 2015 with data from 2019 showing that a lanolin allergy impacted up to 1.2% of those in the test group. Lanolin isn’t a required allergen to be listed on labels which is why it hides in so many products!