What is Poly-Gel? Poly-Gel is acrylic and hard gel mixed which is a lighter nail enhancement for the nail bed and will need a 2-3 week refill. What is Gel-X? Gel-x is like a press on nail that is applied to your nail bed with base gel which last 2-3 weeks. #bloggingtips #WixBlog #nails #gelx #acrylic