Pay with a gift card or promo code Lisa Updated 25 September 2020 13:31 There's no greater feeling than getting your usual treatment, for less. Here's how to apply a promo code or gift card to your Treatwell booking. Related articles Contact us Check your appointment details Request a refund How can I sort out a billing error? How can I get in touch with a salon directly? Comments 0 comments Article is closed for comments.