EMA FORMULA: Advanced blended EMA (Ethyl Methacrylate) makes it safe for cosmetic use. | MADE IN THE UNITED STATES: Liquid Monomer is developed and produced in the United States of America. Prepared under the strictest quality control, with ingredients and formulas friendly to the environment. | LEAK-PROOF PHENOLIC CAPS This modern leak-proof cap eliminates the need of the classic paper/plastic seals that can detach from the bottle neck due to the monomer chemical composition. Phenolic Caps made of industrial-grade highly rigid plastic, molds itself around the sealing areas as the cap is screwed on, virtually eliminating leakage, evaporation, contamination, and forming an exceptionally tight seal. | PROVIDES OUTSTANDING FLEXIBILITY AND PREVENTS DISCOLORATION: Liquid monomer by Mia Secret provides excellent flexibility, which makes easy to sculpt beautiful acrylic nails, and Its advanced non-yellowing formula prevents discoloration. | SATISFACTION GUARANTEED: In Mia Secret, our top priority are our customers. If you experience an issue with our Mia Secret Monomer, we will exchange the item to you. For more information on how to request a product replacement, visit Mia Secret official website, scroll all the way down to “About Mia Secret” section; then, send an email to the email address listed in this section, and we will respond to you between 24-48 hours.