Carvacrol is a phenol that is a natural monoterpene derivative of cymene. An inhibitor of bacterial growth, it is used as a food additive. Potent activator of the human ion channels transient receptor potential V3 (TRPV3) and A1 (TRPA1). It has a role as a TRPA1 channel agonist, a volatile oil component, an antimicrobial agent, an agrochemical and a flavouring agent. It is a p-menthane monoterpenoid, a member of phenols and a botanical anti-fungal agent. It derives from a hydride of a p-cymene.