Lightweight, firm-hold spray. The Enviro 54 Hair Hold Spray is a firm-holding, flexible styling hairspray that locks in styles and is great for securing up styles. It's great for layering to create multiple textures and won't build up on the hair strand. The CHI Enviro 54 Hair Spray - Firm Hold is so versatile you can create a multitude of styles and looks without adding weight to your style.