iWhiteThis week PD is giving five readers the chance to win an iWhite pack.

iWhite Instant is a professional teeth whitening kit for instant results. This product contains a new, whitening gel, which has been  clinically proven safe and effective.

This one-step system will remove stains and strengthen teeth while whitening. Just wear the prefilled tray for 20 mins a day for instant results up to eight shades whiter. It is 100% safe and hydrogen peroxide free.

See HERE for more details.

To win, be first to send the correct answer to:

Monday 01 September 2014 
iWhite is 100% ____ free.

Tuesday 02 September 2014
How many prefilled trays are in one box?

Wednesday 03 September 2014
Up to how many shades whiter will your teeth be after using iWhite?

Thursday 04 September 2014 
For how long do you have to wear the prefilled tray?

Friday 05 September 2014 
Will iWhite whiten the front and back of your teeth?

Note: This competition ran in September 2014 and entries have closed.