When it comes to acrylic nails you need to be careful. There are two chemicals used to create acrylic nails they're called mma and ema. The chemical mma also known as Methyl Methacrylate Monomer which has been banned of use by the FDA. MMA can cause really bad damage to you.MMA has been banned in more than 30 states.MMA is a acrylic based polymer which can cause blood blisters, skin rashes, and much much more damage. The way MMA creates one of the hardest chemicals for acrylic nails it can cause for the real nail to come off and cause a bacterial infection. The safest chemical to use for acrylic nails is EMA. EMA is known as Ethyl methacrylate and its scientifically backed up to be the safest for acrylic nails.