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Woman at a nail salon getting her nails filed

Methyl methacrylate, otherwise known as MMA, is a bonding agent used in some artificial nail products making it set much faster and adhere stronger to the nail than other products.  

MMA exposure

Two empty chairs in a barber shop

Professional Credential Services (PCS) is the professional testing organization that administers the written and practical examinations pursuant to A.R.S. § 32-514(A). Beginning May 24, PCS will begin