For vaginal atrophy you need to start using a local oestrogen treatment as soon as possible, either Vagifem or Ovestin, available on prescription from your GP. It will only get worse otherwise. (Many women are using both systemic and local HRT.)
As to moisturisers, Yes do a range of products which are easiest to obtain online. In the meantime, organic coconut oil is quite good, as are emu oil or even olive oil. My favourite at the moment is Yes oil based.
AgathaC makes a good point about cotton knickers and unperfumed products. The other thing I would add is to take showers rather than baths, and try not to get water between the labia, as this washes away the 'good' bacteria. As the vaginal tissues age the vaginal environment becomes less acidic and this can result in an imbalance of the flora leading to bacterial vaginosis.
There are loads of threads on here about VA, so have a good browse round to get clued up.
Best wishes,
JP x