If a tartecosmetics.com coupon code isn't working, consider the following steps:
- Check the expiration date of the coupon code.
- Ensure the code is entered correctly, without any typos or extra spaces.
- Verify the terms and conditions of the coupon, such as minimum purchase requirements or product exclusions.
- Clear browser cookies and cache, then try applying the code again.
- Use a different browser or device to see if the issue persists.
- Contact Tarte Cosmetics customer support for assistance with the coupon code.