Several discount codes and deals are available for Cornerstone. Some of the offers include free delivery on gift sets, sexual healthcare & contraception product for only £25, and 10 ultra-thin condoms at only £12. There are also deals on hair loss treatment, minoxidil spray as low as £25, and gift sets from £25. Other products like mouth care products from £3, body products from £4, and shaving products from £7 are also available. Please note that these offers are subject to change and it's recommended to check the website for the most current deals.