Acrylics can turn yellow due to problems at the salon during the application or by things done while wearing the nails. Expired products, contact with dyes or items that stain, or even smoking are the most common causes.For starters, the cause of yellowing acrylic nails might simply come down to poor quality nail products used by your technician, or even by an improper technique that caused your acrylic nails to not set correctly, making them more prone to becoming damaged and dirty.May 04, 2012 · If the sealer is too old, it by itself may turn the acrylic yellow. Using a product that does not have UV protection Regardless the source (natural/artificial), UV rays pose a potential hazard to the life and look of acrylic nails. UV rays have the ability and the strength to turn acrylics yellow, and the effects can be subtle or drastic depending on the duration and …What does it mean when your acrylic nails turn yellow? If the nail is not properly sealed moisture can get caught under the en...