We hope that you are completely happy with your purchase, however, if you change your mind we understand. Here's our returns policy:
You can return any unused item within 30 days of your original purchase date for an exchange or refund, so long as it is unopened, unused, in a saleable condition and the seals remain intact. You must have the original receipt or alternative proof of purchase.
Exclusions: medicines, food and cosmetic products which have been opened cannot be refunded or exchanged, unless they are faulty.
More information:
https://www.hollandandbarrett.com/info/delivery-and-returns/returns/