If the us.caudalie.com coupon code isn't working, try the following steps:
- Double-check the code for any typos or errors.
- Verify the expiry date to ensure the code is still valid.
- Check the terms and conditions to confirm the code applies to the items in the cart.
- Clear the browser cache and cookies, then try applying the code again.
- Use a different browser or device to see if the issue persists.
- Contact customer support through live chat or the contact page for further assistance.