Promo codes may not work for several reasons:
- Expired Code: The promo code might have expired.
- Minimum Purchase Requirement: Some codes require a minimum purchase amount.
- Exclusions: Certain items may be excluded from promotions.
- Incorrect Entry: The code might have been entered incorrectly.
- One-Time Use: Some codes are valid for one-time use only.
- Region Restrictions: The code might not be valid for the UK site.
If none of these apply, contact customer support for assistance.