Tissue expanders, implants, and methods of use

A tissue expander comprising:

• an implantable portion comprising a fluid source in communication with an expandable chamber, wherein the expandable chamber includes an anterior portion, wherein the anterior portion includes a first deformable member and a second deformable member, wherein the first deformable member is disposed within the second deformable member, and the first deformable member has a thickness that is about 1.5 to about 8 times the thickness of the second deformable member.