Home / Hair Loss Products / Miscellaneous Miscellaneous These products just don’t fit into the other categories, but may be of interest to the hair loss consumer. COUVRé Protein Hair Expander Molecularly structured to penetrate the exterior of thinning hair, COUVRé Protein Hair Expander is a leave-in treatment that delivers organic proteins directly into each follicle’s shaft. The powerful protein infusion significantly increases the density and fullness of thinning hair from the very first use. Availability: Couvré Pricing: $9.95/ 4oz. bottle Add Comment Register Name (required) Mail (will not be published) (required) Website Leave a Comment Cancel reply You must be logged in to post a comment.