2 adverbs to describe how to caustic

In his opinion, Swift considered the bill for the repeal of Charles's act, "an indirect mode of gratifying the existing bishops, whom he did not regard with peculiar respect or complacency, at the expense of the Church establishment," and that, therefore, "the spirit of his opposition is, in this instance, peculiarly caustic."

Without dwelling further on that, we may say at once that a correct treatment consists in (1) the removal of all horn overlying infected portions of the keratogenous membrane, (2) the application of an antiseptic not too powerfully caustic in its action, (3) frequent changes of the dressings in order to insure a maintenance of antisepsis, and (4) the application of an adequate pressure to the exposed soft structures.

2 adverbs to describe how to  caustic  - Adverbs for  caustic