Pravana Keratin Fusion Texture Control is a unique salon service that enables you to permanently control the texture of virtually any salon client. Smooth wavy or frizzy hair,straighten curly,coarse unruly hair or add lift ,movement and wave to fine,straight hair. Keratin Fusion Texture Control uses pure human hair keratin amino acids to control processing. It contains no formaldehyde, no thioglycolates or other hazardous ingredients. It's compatible with hair color services and can be used on a variety of salon clients.