KMS HairStay Firm Finishing Hairspray provides strong, long-lasting hold for up to 72 hours. The quick-drying formula provides a natural finish without stickiness or flaking, offers long-lasting protection against frizz and humidity for up to 72 hours and eliminates frizz and flyaways by up to 92%. The formula with upcycled tomato, known as a powerful antioxidant, helps protect against UV and environmental damage. Application: Spray onto dry hair to finish and set the look.