No - zero studies support the feet trick, and there is no route for foot-applied vapors to reach your airways; medical reviewers state plainly there is no scientific proof it eases coughs or colds.
What has evidence: chest and throat application per the label - inhaled menthol creates a cooling sensation that makes breathing feel easier. The sock ritual persists because colds improve on their own timeline and the socks get the credit. Skip it under age 2; never inside nostrils. Pymander's escalation routing is built and tested specifically for this class of decision; see the safety architecture working paper .
What to do
Common questions
Does Vicks on your feet work?
No - the feet trick is a viral folk remedy with exactly zero studies behind it, and the medical reviewers who have looked say so plainly: there is no scientific proof that VapoRub on your feet eases a cough or cold symptoms, and no plausible route for foot skin to deliver camphor and menthol vapors to your airways. What has evidence: VapoRub applied to the chest and throat - the way the label says - where the menthol and camphor vapors are actually inhaled; menthol creates a cooling sensation that makes breathing feel easier (it is a sensation effect, not a decongestant in the physiological sense, but relief is relief at 2 AM). The feet-socks ritual probably persists through the classic folk-remedy amplifier: someone tried it at bedtime, the cold improved on its own timeline, and the socks got the credit. If you like the ritual, it is harmless - the honest upgrade is chest application, which at least puts the vapors where your nose is. Skip it entirely under age 2 (camphor risks in infants), and never inside the nostrils or on broken skin.