At Wigs Online all our clients who wear wigs and hair pieces for necessity purposes, including medical reasons such as, Alopecia, Chemotherapy, and any other form of hair loss are eligible to receive 20% off their order.
If this applies to you simply enter the code 'VATFREE' once you get to the checkout and the VAT will be deducted.
However if you are unsure of your eligibility, you can also find more information on the GOV UK site. Some other useful reads, can be found on the Alopecia Forum and MacMillan Support. You can also find out more on the MacMillan forum.