You will enjoyrr acrylic nail extensionsr gel polishr r acrylics are the oldest form of nail extension in the modern beauty industry and have long since been a staple due their staying power the acrylic itself is a mixture of liquid monomer and a powder polymer which when combined form a hard protective layer that is sculpted over the natural nailrr acrylic nail extensions will only become hard when exposed to air and when this happens and the process is complete the nails become a stron