16 Ounces. Perfect Results Professional Miracle Leave-In Conditioner is a high potency formula with proteins, vitamins and minerals, made to leave in the hair for continuous conditioning. The benefits come from the powerful combination of Keratin Protein, Panthenol, Vitamin B5 and natural botanicals in a gentle acidic base counteracting the alkalinity of waving, tinting, bleaching, curls and relaxing. It smoothes the damaged hair shaft and seals the cuticle for easy combing with no snarls or tangles while repairing, restructuring and rebonding the hair for that shiny, healthy look. The effectiveness increases with each treatment.