Hydroxylates both (+)- and (-)-limonene to (+) and (-)-trans-isopiperitenol. (4S)-limonene + O2 + reduced [NADPH--hemoprotein reductase] = (1S,6R)-isopiperitenol + H(+) + H2O + oxidized [NADPH--hemoprotein reductase] Belongs to the cytochrome P450 family.