Matching the Coles 1/2 Price deal + a further 10% off using subscribe and save + free delivery should apply to everyone (no prime required):
Items: $6.00
Delivery: $0.00
Order Total: $6.00
Promotion(s) Applied: -$0.60
Order Total: $5.40
How to get free delivery without prime?
(1) Click subscribe & save $5.40
(2) Click "First delivery on 22 Jun change"
(3) Click "Get it with your next Subscribe & Save delivery, with 10% savings and free shipping."
(4) Proceed to checkout. If you don't do this step the shipping fee will apply at checkout.
Available in the following varieties:
Clean & Balanced Shampoo
Dry Scalp Shampoo
Itchy Scalp Shampoo
Smooth & Silky Shampoo
Apple Fresh Shampoo
Smooth & Silky Conditioner 17/6 3pm available again
17/6: Available again
Cedal has double the active ingredient last I checked. Might be cheaper too.
Edit: at this price more active ingredient per dollar with this deal. Good deal.