https://torontodawah.com/if-touch-impurity-which-is-wet-he-should-wash-what-has-touched-his-body-and-if-it-is-dry-then-he-should-not-wash-what-has-touched-his-body-from-it-since-there-is-no-reason-for-contamination-shaykh/
If Touch Impurity Which Is Wet, He Should Wash What Has Touched His Body And If It Is Dry, Then He Should Not Wash What Has Touched His Body From It Since There Is No Reason For Contamination - Shaykh Saalih al-Fawzaan And Shaykh Bin Baz