Lanolin Alcohol keeps its lower-concern label, but it deserves extra attention if you have a history of contact allergy or products that worsen facial eczema. It softens skin and helps emulsions form; it does not treat seb derm.

In a large group of people referred for patch testing, 3.3% reacted to lanolin markers and most positive reactions were clinically relevant. That is not a general-population rate, and many people tolerate lanolin products. If a rich cream repeatedly causes itching or a spreading rash, stop it and consider patch-testing advice rather than assuming a yeast flare.