Avon have their Botanicals Skincare range on Buy 1 choose 1 for £1 offer.......... Here's 2 of the best codes I could find at the moment (more attached).
For an extra 10% Off & Free Delivery on £15 spend - Use discount code: BESTAPR
Free delivery on a £10 spend - Use discount code: MICHELLE
Only one code can be used per order.