In deals as you need to buy the paper.
On page 42 of todays Daily Mail there is a voucher for £1 Off Glamour Magazine which comes with a Free Nails Inc Nail Polish worth £11 attached to it.
Redeem at WH Smiths or Waitrose until 6/12
Thanks to nudge on mse for the spot in the paper
See for more info - http://www.hotukdeals.com/deals/full-size-nails-inc-nail-varnish-wi/790452