Was having a look at lookfantastic.com specials and saw that the Redken All Soft tube was discounted to £15. After adding it to the shopping basket, it became £11.25.
The item description only says it contains Redken All Soft Shampoo & Conditioner without size information, but looking at the product description on another site, it seems to be the full size products - 300ml shampoo and 250ml conditioner.
Other 'tube' sets at this price are:
Thanks, I like Redken products and what a well organised website.