Cerave is currently 20% off at Chemist Warehouse, which is as good as it gets for this brand. It's only available at Chemist Warehouse.
If you've never heard of the brand, they make gentle, very reasonably-priced products aimed to strengthen the skin barrier and typically contain ceramides (the same stuff in Elizabeth Arden's very expensive ceramide capsules). The products are developed with dermatologists and suitable for sensitive skin. It's immensely popular amongst skincare enthusiasts on reddit, especially the cleansers.
Can anyone vouch for this ? On Youtube it seems Cerave is the best brand you can find in a general drugstore