Doesn't seem to be a unique code.
Redemption
1. Take $10 off your next purchase* at www.treatme.co.nz when you use code "10FORYOU"
2. Add Deals by clicking "Buy Now" button on the Deal information page.
3. Click on "I want to redeem a promo code" during purchase process.
4. Enter code "10FORYOU" and click "OK".
5. The amount of the savings will be reflected on the final purchase confirmation page.
Terms & Conditions:
*Valid for purchases of $25 or more (excluding shipping). Valid for site-wide purchases excluding Mad Mex, Vivo Hair and Beauty and Treat Me Cellar campaigns at http://www.treatme.co.nz from 5:00pm 21 September, 2017 until 11:59pm on 26 September, 2017 NZST. Credit not applicable
Seems to be a targeted promo. Get this message when entering promo code "We can not process your order because the promo code you entered is not associated with your e-mail address. Please correct."