You searched for: “rubefacient
rubefacient (s) (noun), rubefacients (pl)
An external application of a medication or any substance which causes redness as it irritates the skin: "As a result of applying a rubefacient, Athena increased the blood supply to her face which made her face become much redder than normal."
rubefacient (adjective), more rubefacient, most rubefacient
A reference to something that causes redness of the skin: "The rubefacient cream that was suggested by the pharmacist for Erin's face pimples, resulted in making her skin feel as if it were burning and it made her face turn very red."