The Perfect Blonde Leave-In Treatment - PRAVANA'S The Perfect Blonde Leave-In Treatment neutralizes unwanted yellow tones in blonde, silver or highlighted hair while improving manageability, adding shine and providing thermal protection up to 450 F (232 C). Benefits Provides an instant burst of moisture to hydrate and detangle strands Brightens, protects and enhances blonde radiance Detangles & protects Lightweight shine Key Ingredients Keratin amino acids, jojoba seed oil and silk amino acids to help protect, smooth and add shine for beautiful blonde hair - The Perfect Blonde Leave-In Treatment