Yes, thats plausible and the INHANCE consortium even suggested this. However the mechanism for the effect on BP can be explained by antiseptic rinses impairing the nitrate‑nitrite‑NO axis
Kissing a middle age woman (or other high risk person)? Very true, but it antecedes as often as it succeeds kissing, depending on whether it antecedes or succeeds marriage vows. Ever smell a husband’s breath?