I've also used a probiotic, but not sure of its efficacy. However, more than one nurse at St Mary's recommend BalanceActiv or equivalent to me. This is the ingredient list, and I can't see any perfume? It would seem pretty odd for a BV treatment to add anything that exacerbated BV?
Lactic acid, Glycogen, Propylene glycol, Methylhydroxypropyl cellulose, sodium lactate, water.