extrasensitive

From extra- +‎ sensitive.

extrasensitive (comparative more extrasensitive, superlative most extrasensitive)

1. Highly or excessively sensitive; hypersensitive.
   • 2005 October 20, Jessica Merrill, “Is It Organic? Well, Maybe”, in The New York Times‎:

     The Food and Drug Administration requires that cosmetics makers make sure that their products are safe. And because each synthetic ingredient is typically used in a small amount, product users experience very low levels of exposure. Some synthetic ingredients, however, can be irritating to extrasensitive skin.