Allergen Sodium Benzoate This is another popular preservative and, like so many, it is on published lists as a top contact allergen. Sodium benzoate isn’t just in lots of skincare,
Not An Allergen Witch Hazel Anything can become a contact allergen, especially the more commonplace it is. This makes it even more impressive that witch hazel (Hamamelis virginiana) is not
Not An Allergen Propanediol Propanediol is a corn-derived preservative that is currently not published as a top contact allergen (neither is corn). But propylene glycol is and the two are
Allergen Benzisothiazolinone (BIT) This antimicrobial preservative is, like many other isothiazolinones such as MCI/MI (methylchloroisothiozolinone / methylisothiozolinone), published as a common contact allergen. Actually both benzisothiazolinone (BIT) and MCI/MI make
Allergen Household, Floor, Furniture, Window, Surface Cleaners and Polishers We need to clean our homes but many household cleaning and polishing solutions contain several ingredients that can cause both irritant
Not An Allergen GIP, GLP-1 Semaglutide (Ozempic, Wegovy, Zepbound), tirzepatide (Mounjaro), and other GIP and GLP-1 drugs have become popular around the world, initially for managing type-2 diabetes and obesity.
Allergen A common misconception is that anything “alcohol” is bad for the skin but there are lots of alcohols (which is just a molecular categorization; many waxes and oils are
Not An Allergen Marble Touching the marble on your countertop or walking around on marble floors is unlikely to cause an allergic skin reaction. While green marble may have slightly
Not An Allergen Gadget Screen Some of the materials that go into typical gadget screens might be top contact allergens (such as nickel in metal casings) but glass is not
