If a GlowSource.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.
- Review the terms and conditions of the coupon for any restrictions.
- Verify if the code applies to the items in the cart.
- Clear the browser cache and try again.
- Use a different browser or device.
- Contact customer support for assistance.
If none of these steps work, the code might be invalid or expired.