Instructions:To get the discount simply enter AUTUMN30FD at the checkout between 12pm Tue 12th Oct - 5pm Fri 15th Oct.
It's not valid with other offers (i.e. Love Your Body rewards card), excludes gift cards and can only be used for one online order.
Seems to be valid on everything and there is free delivery at the moment too.
Also, don't forget 12% topcashback.
Credit for this discount code goes to MSE and Martin Lewis as it's a voucher he 'blagged' with Body Shop.