SUPERIOR ADHESION: Maximum strength formula for acrylic nails to ensure best bond to natural nail plate and ensures an impeccable shine without needing a primer. NON-YELLOWING: This high-quality acrylic liquid is formulated with UV stabilizers to ensure color clarity and prevent yellowing or dulling. Colors stay vibrant for weeks! MONOMER HAVE STRONG SMELL, because it is MMA free. All professional Acrylic Monomer and Powder have a strong smell because it is FDA compliant and does not contain MMA. Our MMA Free Monomer is very safe to use. A ventilated place is recommended to reduce the smell. 100% Satisfaction Guaranteed Karlash Professional Acrylic Liquid 4 oz Monomer MMA FREE for Doing Acrylic Nails, MMA free, Ultra Shine and Strong Nail