- Looking for a strong, quick-drying hold, without the crunch? Try KMS HAIRSTAY Firm Finishing Hairspray for strong hold and long-lasting styles without residue or flaking. Spray and be done. Spray 10-12" (25-30cm) from your final style. Made with flexible sealing compounds: Acrylates/t-Butylacrylamide Copolymer – provides firm hold; VP/VA Copolymer – supports durability.