How do I clean my foundation? Customer Service January 31, 2022 19:56 Updated Cleaning is simple—and less is more! Just spot clean the fabric with a mild detergent if you need to remove a stain. Related articles What's inside the foundation? How do I wash my Mattress Protector? Contacting Customer Care When will I receive my Legend? When will I receive my Adjustable Base? Comments 0 comments Article is closed for comments.