These violet neutralizing drops allow you to fully customize your blonde routine. Highly concentrated, they effectively neutralize unwanted yellow tones and enhance the brightness of blonde, lightened or gray hair. Mix directly into your favorite shampoo, conditioner or mask to control toning intensity based on your hair’s needs. Neutralizes yellow and brassy tones Enhances brightness of blonde, lightened or gray hair Highly concentrated, customizable formula Mixes with shampoo, conditioner or mask Perfect for maintaining cool blonde tones HOW TO USE Add 1–3 drops to your shampoo, conditioner or mask in your palm. Mix well, apply to hair, then rinse. Adjust amount as needed for desired toning. INGREDIENTS Aqua (Water, Eau), Propylene Glycol, Tocopherol, Phenoxyethanol, Hydroxyethylcellulose, Ext. Violet 2 (CI 60730), Lactic Acid, Ethylhexylglycerin, Sodium Hydroxide.