Setting sprays, also known as makeup fixers, are a crucial step in makeup application to ensure longevity and a flawless finish。 They are designed to lock makeup in place, reducing smudging and fading throughout the day. The application process typically involves spraying the product evenly over the face after makeup has been applied, allowing it to dry and form a protective layer.Filling setting sprays involves a precise process to ensure the right amount of product is dispensed into each container.This process is crucial for maintaining product consistency and effectiveness.